Re: Mersenne: double-check mismatches

2004-01-16 Thread Daran
million status-doublechecked exponents being in error is about five orders of magnitudes higher. Still acceptible, or at least a minor consern in comparison to the other security issues. Regards Brian Beesley Daran G

Re: Mersenne: Howdy

2003-08-19 Thread Daran
. The Feds seized your computer? Gosh, I had no idea they took exponent poaching so seriously. ;-) Humour aside, I'm intrigued. Why was your kit taken? Regards Daran G. _ Unsubscribe list info -- http://www.ndatech.com

Re: Mersenne: 40th Mersenne Prime Found (probably)!

2003-06-02 Thread Daran
give us some idea when this will be complete? Enjoy, George Daran G _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: Old files in my mprime dirs

2003-03-30 Thread Daran
On Sun, Mar 30, 2003 at 01:04:10PM -0800, Chris Marble wrote: I've been running mprime on Linux for a bit less than 2 years now. I was looking at the directory on one box and found some ancient files: mE013037.001 mF320219.001 mF550789.001 mF614243.001 mF687599.001 These are from a dual

Re: Mersenne: Old files in my mprime dirs

2003-03-30 Thread Daran
On Sun, Mar 30, 2003 at 09:58:15PM -0800, Eric Hahn wrote: Daran wrote: Chris Marble wrote: Actually the .001 extension would be expected... especially if running MPrime on a dual CPU box... with one instance using the -A1 switch... Using the -A switch will put an extension

Re: Mersenne: P-1 on PIII or P4?

2003-03-10 Thread Daran
On Mon, Mar 10, 2003 at 09:05:41PM +, Brian J. Beesley wrote: On Monday 10 March 2003 07:49, Daran wrote: I just tried Test=8907359,64,0 on two systems - an Athlon XP 1700+ and a P4-2533, both running mprime v23.2 with 384 MB memory configured (out of 512 MB total in the system

Mersenne: Optimal choice of E in P-1 computations

2003-03-09 Thread Daran
ratio I am trying to measure. Consequently I am inclined to exclude these results, though I report them for completeness: Of the 10 stage 2 factors found, 2 were extended. They are:- P-1 found a factor in stage #2, B1=2, B2=395000. UID: daran/1, M1231753 has a factor: 591108149622595096537

Re: Mersenne: P-1 on PIII or P4?

2003-03-09 Thread Daran
On Fri, Mar 07, 2003 at 09:51:33PM -0800, Chris Marble wrote: Daran wrote: On Thu, Mar 06, 2003 at 08:12:31PM -0800, Chris Marble wrote: Daran wrote: I like my stats but I could certainly devote 1 machine out of 20 to this. If you're going to use one machine to feed the others

Re: Mersenne: P-1 on PIII or P4?

2003-03-07 Thread Daran
On Thu, Mar 06, 2003 at 08:12:31PM -0800, Chris Marble wrote: Daran wrote: Whichever machine you choose for P-1, always give it absolutely as much memory as you can without thrashing. There is an upper limit to how much it will use, but this is probably in the gigabytes for exponents

Re: Mersenne: P-1 on PIII or P4?

2003-03-06 Thread Daran
types of work. Where the considerations discussed above conflict, I don't know what the balance is between them. HTH -- [EMAIL PROTECTED] - HMC UNIX Systems Manager Daran G. _ Unsubscribe list info -- http

Re: Mersenne: Re: Mersenne Digest V1 #1038

2003-01-26 Thread Daran
agree to be bound by are those in deciding how the cash-prize is split up. Isn't that what we're discussing? Changes to the rules and proceedures. Gordon Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne

Re: Mersenne: Re: Mersenne Digest V1 #1038

2003-01-26 Thread Daran
On Sun, Jan 26, 2003 at 03:03:53PM -0800, spike66 wrote: spike (Please, fellow math lovers, do let us get things in the proper perspective here. GIMPS is just for fun.) Isn't that the point. Poaching spoils the fun for the poachee. Regards Daran G

Mersenne: Just landed a whopper.

2003-01-19 Thread Daran
tested to no higher than B1=B2=3000. I will report my findings in due course. Imagine my delight at finding the following enormous factor in my results.txt file:- [Sat Jan 18 20:21:28 2003] P-1 found a factor in stage #2, B1=3, B2=547500. UID: daran/1, M2010413 has a factor

Re: Mersenne: P-1 and non k-smooth factors

2002-12-16 Thread Daran
- Original Message - From: Alexander Kruppa [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Wednesday, December 11, 2002 12:11 PM Subject: Re: Mersenne: P-1 and non k-smooth factors Daran wrote: Ad far as I can see it is a regular PostScript. I don't know

Re: Mersenne: P-1 and non k-smooth factors

2002-12-06 Thread Daran
- Original Message - From: Alexander Kruppa [EMAIL PROTECTED] To: George Woltman [EMAIL PROTECTED] Cc: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Thursday, December 05, 2002 12:18 PM Subject: Re: Mersenne: P-1 and non k-smooth factors George Woltman wrote: At 10:31 PM 12/3/2002

Re: Mersenne: P-1 and non k-smooth factors

2002-12-06 Thread Daran
- Original Message - From: Brian J. Beesley [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Thursday, December 05, 2002 12:31 PM Subject: Re: Mersenne: P-1 and non k-smooth factors There is obviously a tradeoff here between increasing B2 and simplifying E

Re: Mersenne: P-1 and non k-smooth factors

2002-12-06 Thread Daran
- Original Message - From: George Woltman [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Thursday, December 05, 2002 2:35 AM Subject: Re: Mersenne: P-1 and non k-smooth factors The analysis is more complex than this... I never doubted that. :-) [...] Why

Re: Mersenne: P-1 and non k-smooth factors

2002-12-04 Thread Daran
- Original Message - From: Brian J. Beesley [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Wednesday, December 04, 2002 2:55 PM Subject: Re: Mersenne: P-1 and non k-smooth factors Let's see if I get this right. Overwhelmingly, the factors produced by P-1

Re: Mersenne: P-1 and non k-smooth factors

2002-12-03 Thread Daran
- Original Message - From: George Woltman [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Thursday, November 28, 2002 2:18 AM Subject: Re: Mersenne: P-1 and non k-smooth factors At 06:05 PM 11/27/2002 +, Daran wrote: if (D = 180) E = 2

Re: Mersenne: Mersenne.org server news?

2002-12-02 Thread Daran
. Most things were functional then but the status updates had last run 8am. Now we've got an unresponsive server. Anyone heard anything? Is it my imagination, or has the server gotten far less reliable in recent months? -- [EMAIL PROTECTED] - HMC UNIX Systems Manager Daran G

Re: Mersenne: P-1 and non k-smooth factors

2002-11-27 Thread Daran
- Original Message - From: Alexander Kruppa [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Wednesday, September 25, 2002 12:03 AM Subject: Re: Mersenne: P-1 and non k-smooth factors This is the Brent-Suyama extension, aka Suyama's powers. In short, if you

Re: Mersenne: Drifting UP(!) in Top Producers ranking?

2002-11-27 Thread Daran
will keep us going into at least M35.999.999 for the save files. What will happen when Z is used out? I very well know we have a couple of years to rethink but the day is going to come... There's no need to restrict filenames to 8 characters with modern OSs Regards Daran G

Re: SV: SV: Mersenne: Drifting UP(!) in Top Producers ranking?

2002-11-25 Thread Daran
user could get an allowance, proportionate to the number of TF assignments returned, that would be deemed to be 'honest' errors, and not penalised. P-1 (which I do almost exclusively) seems to be woefully ill-rewarded. tsc Daran G

Re: Mersenne: Drifting UP(!) in Top Producers ranking?

2002-11-20 Thread Daran
for any P-1 you do. Regards Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: Here we go again.... v22.12 now available.

2002-11-09 Thread Daran
, then 21-1 was improperly included. If 21+3 is prime, then 21-3 was included. How could this lead to factors being missed? Regards Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm

Re: Mersenne: Bug in version 22.10

2002-11-05 Thread Daran
, That's what beta testers are for. George Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: Bug in version 22.10

2002-11-05 Thread Daran
- Original Message - From: Daran [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, November 05, 2002 6:51 PM Subject: Re: Mersenne: Bug in version 22.10 - Original Message - From: George Woltman [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, November 05, 2002 5:19

Re: Mersenne: Bug in version 22.10

2002-11-05 Thread Daran
to get a (possibly reduced) chance of finding a factor in stage 2 Regards Brian Beesley Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ

Re: Mersenne: Modularising Prime95/mprime - a path to broader development.

2002-11-01 Thread Daran
know that this is not trivial, but it remains feasible. Regards Brian Beesley Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: On v18 factoring

2002-10-25 Thread Daran
- Original Message - From: Steve Harris [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, October 24, 2002 8:49 PM Subject: Re: Mersenne: On v18 factoring Daran - you ask why highest and not lowest? The discussion started regarding old machines running v18 which are no longer

Re: Mersenne: On v18 factoring

2002-10-24 Thread Daran
Beesley Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: Dissed again

2002-10-23 Thread Daran
. What do you have in mind, a volunteer marketing effort? 'Volunteer' goes without saying. Certainly we need a marketing effort. Does anyone have any ideas? Eric Daran _ Unsubscribe list info -- http://www.ndatech.com

Re: Mersenne: Dissed again

2002-10-23 Thread Daran
doesn't 'owe' us a mention. Eric Weddington Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: P-1 and non k-smooth factors

2002-09-25 Thread Daran
- Original Message - From: Alexander Kruppa [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Wednesday, September 25, 2002 1:03 AM Subject: Re: Mersenne: P-1 and non k-smooth factors This is the Brent-Suyama extension, aka Suyama's powers. In short, if you

Mersenne: Composite factors.

2002-09-24 Thread Daran
found earlier during TF. However given that some factors found have been 130 bits, then the possibility is there. I was wondering if returned factors are checked for primality. Regards Daran G. _ Unsubscribe list info

Re: Mersenne: TF - an easy way to cheat

2002-09-22 Thread Daran
- Original Message - From: Torben Schlüntz [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Saturday, September 21, 2002 11:17 PM Subject: SV: Mersenne: TF - an easy way to cheat But my name is Torben... My apologies. With an unusual spelling to my own name, I

Re: Mersenne: Hyper-threading

2002-09-22 Thread Daran
- Original Message - From: Michael Vang [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Sunday, September 22, 2002 12:19 AM Subject: Re: Mersenne: Hyper-threading Look towards the end of this thread for benchmarks with LL and factoring on one processor via

Re: Mersenne: TF - an easy way to cheat

2002-09-21 Thread Daran
range (though found factors are checked by the server itself). And I would be disappointed if I learned that an LL I did could have been solved far earlier - and using less effort. One way to avoid this disappointment personally would be to focus solely upon TF or P-1. br tsc Daran G

Re: Mersenne: TF - an easy way to cheat

2002-09-21 Thread Daran
past a large range of possible factors, would be made a great deal more difficult. Easily cracked. Why not just encrypt it? Regards Brian Beesley Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne

RE: Mersenne: TF - an easy way to cheat

2002-09-21 Thread Daran
TFed. Jacek Kolonko Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Mersenne: Hyper-threading

2002-09-21 Thread Daran
Could this feature of forthcoming Intel processors be used to do trial factorisation without adversely impacting upon a simultaneous LL? Could this be easily implemented? Regards Daran G. _ Unsubscribe list info -- http

Mersenne: Order of TF and P-1

2002-09-11 Thread Daran
I'm taking the liberty of replying to his on-list, since other people here might have some input. - Original Message (Off-list) From: Anurag Garg [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED] Sent: Tuesday, September 10, 2002 11:11 PM Subject: Re: Cherub faced individuals with shoes

Re: Mersenne: Switch from v.21.4 to v.22.8

2002-09-01 Thread Daran
from 9-11 to 9-5, is v.22.8 that much more efficient than 21.4? This is on my Athalon processor. I have a pentiumIII I'm going to upgrade also, will it speed it up too? You mean Pentium IV, surely? A Pentium III is a downgrade from an Athlon. Regards Daran G

Re: Mersenne: 266 vs 333 ddr on Athlon

2002-08-27 Thread Daran
bandwidth which is the limiting factor. The 1% improvement probably comes again from synchronous operation. Regards Brian Beesley Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne

Re: Mersenne: GIMPS error rates

2002-08-26 Thread Daran
] Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: Re: Changing Prime95's name

2002-08-25 Thread Daran
will stand for exaflops in your quantum computer, and we'll be working with FFT's in the gigabyte size range. ;-) When we get a GigaQbit QC, we won't be bothering with FFTs. We'll just test every exponent simultaneously by trial division. Regards Daran

Mersenne: Status

2002-08-19 Thread Daran
be releasing it back to the server within the next few days, unless I hear that I shouldn't. Regards Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com

Re: Mersenne: Status

2002-08-19 Thread Daran
- Original Message - From: George Woltman [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Monday, August 19, 2002 3:28 PM Subject: Re: Mersenne: Status The first test of this number had 5 roundoff 0.40 errors. Since the result is highly suspect, it was re

Re: Mersenne: Crypto scientists crack prime problem, not Redmond journalists

2002-08-17 Thread Daran
, Ian Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: Re: Roundoff errors

2002-07-24 Thread Daran
- Original Message - From: George Woltman [EMAIL PROTECTED] To: [EMAIL PROTECTED]; [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Wednesday, July 24, 2002 3:01 AM Subject: Mersenne: Re: Roundoff errors Daran mentioned that he was only doing P-1 factoring, leaving the LL test for others

Re: Mersenne: Roundoff errors

2002-07-22 Thread Daran
- Original Message - From: Christian Goetz [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Saturday, July 20, 2002 8:39 PM Subject: Re: Mersenne: Roundoff errors Am Samstag, 20. Juli 2002 19:01 schrieb Daran: The temp is normal, it shouldn't be over 65 degrees. Try to get a new fan

Re: Mersenne: Re: P-1 limits

2002-07-14 Thread Daran
). The only trade-off is between the cost of the P-1 vs the expected cost of the LL computation. Regards Brian Beesley Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http

Mersenne: P-1 limits

2002-07-10 Thread Daran
Prime95 version 22.3.1 P-1 factoring with 459MB available memory, the program chose the following limits for these two exponants. 7786567B1=4, B2=64 7714127B1=4, B2=65 Why did the smaller exponant get the higher B2 limit? Regards Daran G

Mersenne: DC Assignment range?

2002-06-14 Thread Daran
I read a while back that exponents up to 8M had been made available for DC assignments. Currently the server is up to 797. Have any more been made available? Is this information available anywhere on the webpages? Regard Daran

Mersenne: Synchronization

2002-06-14 Thread Daran
) is dated April this year. Regards Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: P-1 Puzzle

2002-06-12 Thread Daran
- Original Message - From: Brian J. Beesley [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED]; Anurag Garg [EMAIL PROTECTED] Sent: Tuesday, June 11, 2002 8:23 PM Subject: Re: Mersenne: P-1 Puzzle On Tuesday 11 June 2002 06:13, Daran wrote: [... snip ... interesting

Re: Mersenne: P-1 Puzzle

2002-06-11 Thread Daran
- Original Message - From: Daran [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, June 10, 2002 6:54 AM Subject: Re: Mersenne: P-1 Puzzle This appears to have happened to me at least once. I'll spend some time later today cross-referencing my WTD file against pminus1.txt to see

Re: Mersenne: P-1 Puzzle

2002-06-09 Thread Daran
- Original Message - From: Brian J. Beesley [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Sunday, June 09, 2002 2:18 PM Subject: Re: Mersenne: P-1 Puzzle 6972001 and 7076669 are starred although the fact bits column seems to indicate that both trial factoring

Re: Mersenne: Work being wasted

2002-02-07 Thread Daran
. If you work in the same order as the poacher, work on lots of exponents will be replicated. If you work in the opposite order, only one exponent will be accidentally triple-checked. A solution, then, is not to do small exponants at all. Regards Brian Beesley Daran G

Re: Mersenne: Work being wasted

2002-02-07 Thread Daran
by someone else in some uncertain future? Currently I'm finishing my first exponent (that's M7505207 double-check)... Don't disclose your exponants to a list read by Aaron Blosser. :-) M, -- Maciej Hrynczyszyn banshee*uoo.univ.szczecin.pl _ __ __ _ __| | __ _ Daran G

Mersenne: Primenet Bug

2002-02-07 Thread Daran
it permanently. I now have 90 days of DC work queued, which I have to do, or lose the work I've done. Does anyone know about this? Regards Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm

Re: Mersenne: Work being wasted

2002-02-07 Thread Daran
-- it stores the last two names until a valid doublecheck proves the exponent composite. Better would be to store every name until a valid doublecheck proves the exponant composite. The extra storage would be negligable. Bruce Leenstra mailto:[EMAIL PROTECTED] Daran G

Re: Mersenne: Work being wasted

2002-02-07 Thread Daran
there, then. Personally I can think of at least two characteristics of kookdom exhibited by you - a total disregard for the feelings of others, and making absurd stalking allegations against them. Regards Daran G. _ Unsubscribe list info

Re: Mersenne: Work being wasted

2002-02-07 Thread Daran
WITH EXPONENT-POACHERS as well as all WEAKLING MORAL RELATIVISTS, Death to the extremists! /eli Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman

Re: Mersenne: just some comments to improve our site

2002-01-15 Thread Daran
finding M#39? Just my few words happy hunting tsc Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: Optimizing P4 usage

2002-01-14 Thread Daran
. Any suggestions? If you've got less than 512MB on your linux box, email the exponant(s) to me, (after you've TFed it) and I'll P-1 it for you. I can do a 6-7M P-1 in about 3 hours, so I'd guess it'd take a couple of days. TIA, Gerry Daran G

Mersenne: Error: Primenet error 12031

2002-01-09 Thread Daran
? Regards Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: CNET coverage of M39: Very good

2001-12-15 Thread Daran
of machines includes many that are not really active. Bruce Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: [Fwd: Mersenne: P-1 Stage 2]

2001-12-15 Thread Daran
- Original Message - From: Alexander Kruppa [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Saturday, December 15, 2001 2:05 AM Subject: Re: [Fwd: Mersenne: P-1 Stage 2] However, there's another generalisation that occurs to me that would be quite cheap

Re: Mersenne: CNET coverage of M39: Very good

2001-12-13 Thread Daran
prime search is moving in that direction. Each day, its network of computers does work that would take a single 90MHz Pentium computer 200 years to accomplish... 200 X 365 = 73000 p90 days/day So what are the other 137,000 faster than P90 machines doing? Regards Daran

Re: Mersenne: Teams and AOL

2001-12-13 Thread Daran
computing project. An idling computer is like a running tap. Cheers... Russ Daran _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: P-1 Stage 2

2001-12-11 Thread Daran
- Original Message - From: Alexander Kruppa [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Monday, December 10, 2001 12:16 AM Subject: Re: Mersenne: P-1 Stage 2 P-1 stage 1 computes x = a^E (mod N), where E is the product of all primes and prime powers = B1

Mersenne: Why is the default page...

2001-12-09 Thread Daran
... of the GIMPS website http://www.mersenne.org/ a list of other distributed computing projects? By all means link to and support these projects, but wouldn't prime.htm be a more sensible starting point? Regards Daran G

Mersenne: P-1 Stage 2

2001-12-09 Thread Daran
The math page http://www.mersenne.org/math.htm explains how to do a stage 1 P-1 test with given bound B1, but it omits the explanation of the enhansement that uses B2 in stage 2. Anyone care to explain how this is done? Cheers Daran G

Re: Mersenne: More on M#39

2001-12-06 Thread Daran
start doing our bit to promote this. I'm itching to get this into into my email/newsgroup sig, but I don't want to preempt the official release by as much as one second. Also what's the prefered URL? Congratulations to all, George Daran G

Re: Mersenne: Re: Factoring benefit/cost ratio

2001-12-04 Thread Daran
- Original Message - From: [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Monday, December 03, 2001 11:22 PM Subject: Re: Mersenne: Re: Factoring benefit/cost ratio On 3 Dec 2001, at 20:45, Daran wrote: Shouldn't that be 1.015 for double-checking

Re: Mersenne: Re: Factoring benefit/cost ratio

2001-12-04 Thread Daran
probably not that far behind GIMPS in terms of total computing done. How far will depend upon how good they are at mobilising support. [...] In reply to a statement of mine about the extra benefit of finding a specific factor, Daran G. wrote: I can see no way of objectively quantifying

Re: Mersenne: Re: Factoring benefit/cost ratio

2001-12-04 Thread Daran
if factors are given an intrinsic value of their own. Of course, the real scarce resource is not computer cycles, nor even ideas for improvement, but in programming effort to implement. Calculating that particular trade-off I leave to others. -- George Daran G

Re: Mersenne: New exponents

2001-12-04 Thread Daran
automatically - i.e. will new exponents be automatically sent if a manual update is done? Thanks, Keith Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http

Re: Mersenne: Re: Mersenne Digest V1 #912

2001-12-04 Thread Daran
, the uncountable infinity of non-rational real numbers, complex numbers, quaternians... The rest of our efforts have been trivial in comparison. :-) Nathan Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne

Re: Mersenne: M#39 news!

2001-12-03 Thread Daran
of interest, why should prior discoverers be so privileged? [...] Irritated Yes, I rather feel the same. It's like enjoying the build-up to Christmas only to find that someone's open your present five days ahead of time. Brian Beesley Daran G

Re: Mersenne: Re: Factoring benefit/cost ratio

2001-12-03 Thread Daran
* chance_of_trial_factoring. Then P-1 factorise. Then complete trial factorisation according to the above formula. -- George Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ

Re: Factoring benefit/cost ratio (was: Mersenne: Fw: The Mersenne Newsletter, issue #18)

2001-11-29 Thread Daran
to make it worth while returning to verified composite Mersennes. Richard Woods Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: hi everyone

2001-11-19 Thread Daran
)) prime), it's generally expected to be composite. Nathan Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: Fw: The Mersenne Newsletter, issue #18

2001-11-18 Thread Daran
as effectively as I can with 512MB RAM, if they can do it at all. Therefore I am doing work which might not otherwise get done. [...] As an old punchline goes: If you don't, someone else will! Ahem. Or not. Richard B. Woods Daran G

Re: Mersenne: hi everyone

2001-11-18 Thread Daran
. Regards Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Mersenne: Fw: The Mersenne Newsletter, issue #18

2001-11-11 Thread Daran
! Does this mean that we're not doing enough double-checking? Regards Daran G. _ Unsubscribe list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Mersenne: crash

2001-09-26 Thread Daran
0099f124 10001327 0099f020 005c 00640e4c 0099f55c 0002 00640e4c 00640e4c 7fc12c78 005c 000b Regards Daran _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ

Re: Mersenne: M727 factored!

2001-09-06 Thread Daran
min. factor size M751 - 81.0003% probability - 526-bit max. factor size Ditto 807 bits. M751 - 30.1716% probability - highly composite factors Is M751 now the smallest unfactorised composite Mersenne? What is the smallest Mersenne not completely factorised? Regards Daran G

Re: Mersenne: M727 factored!

2001-09-04 Thread Daran
to incorporate this additional information. Alex Daran G. _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: What is done during a LL and what are the timing

2001-07-31 Thread Daran
it with itself Oh, you are a tease. :-) What is it that you do? Regards, George Daran _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: M(2) - composite?!

2001-07-31 Thread Daran
. It's not even 0 mod 3 However http://www.utm.edu/research/primes/mersenne.shtml#test does state the P must be odd. So I guess the mersenne.org page is wrong. Nathan Daran _ Unsubscribe list info -- http://www.scruz.net

Re: Mersenne: Proof for P = 2^170141183460469231731687303715884105727 - 1 is Prime Number

2001-07-28 Thread Daran
than 170...727 is not a factor of P. Regards, Leo de Velez Daran G. _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Mersenne: Resurrecting an lapsed machine?

2001-07-24 Thread Daran
, and it was still happily hacking through a DC. I won't be visiting her for some time, and I can't ask her to do any more than trivial admin. Would it be sufficient just to tell her how to set it to automatic communication? Would this upset the primenet server? Regards Daran G

Re: Mersenne: P-1

2001-07-24 Thread Daran
-Original Message- From: George Woltman [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] [EMAIL PROTECTED] Date: 24 July 2001 21:17 Subject: Re: Mersenne: P-1 I'll see if I can work out a solution with Scott. A minimum solution would have the server return whether

Re: Mersenne: P-1

2001-07-23 Thread Daran
-Original Message- From: CARLETON GARRISON [EMAIL PROTECTED] To: Daran [EMAIL PROTECTED]; [EMAIL PROTECTED] [EMAIL PROTECTED] Date: 24 July 2001 00:18 Subject: Re: Mersenne: P-1 Daran, Again I'm not the most qualified person to reply but... The name of the game is validate

Mersenne: P-1

2001-07-22 Thread Daran
, or to do so with a good chance of success, could be given pretested exponants for first-time/DC LLs Regards Daran G. _ Unsubscribe list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http

Re: Mersenne: 1000 barrier

2001-07-21 Thread Daran
result, and would have had to wait five months to turn in the next if I hadn't upgraded. The new machine runs fifteen to twenty times as fast, so I should double that in a couple of months or so. Cheers... Russ Daran G

Mersenne: Factorisation

2001-07-21 Thread Daran
What is the probability of a successful trial factorisation in the range of exponants currently being given out (16-17M)? Are the estimates given by the program for p-1 factorisation accurate? Regards Daran G

Re: Mersenne: GIMPS accelerator?

2001-05-16 Thread Daran
-Original Message- From: Gareth Randall [EMAIL PROTECTED] To: [EMAIL PROTECTED] [EMAIL PROTECTED] Date: 15 May 2001 23:36 Subject: Re: Mersenne: GIMPS accelerator? Daran, This is an interesting piece of lateral thinking that deserves to go further than I think it actually does. Thank

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