Re: Mersenne: mprime on a Dell PowerEdge

2000-04-08 Thread Russel Brooks
John R Pierce wrote: yeah, ugh. Well, the system came with 256MB of PC133 ECC registered SDRAM (2 * 128MB), I've fortified it with an additional 1GB of PC133 ECC registered SDRAM (4 * 256MB). I would *hope* any memory error would trip a ECC error. I thought ECC memory was supposed to

RE: Mersenne: Prime 95 Speeds

2000-04-08 Thread Hoogendoorn, Sander
I worked that excel sheet up using the information available at http://www.mersenne.org/bench.htm; Goerge, There still isn't a link to this page from youre pages. The current link still points to the old benchmark page _

Mersenne: M727 has a factor?!?!?

2000-04-08 Thread Eric Hahn
Hi!! Tell me I'm wrong... and if not, what happened?? I just made a slight error in adding a P-1 factor assignment to the WORKTODO.INI file for M727 and came up with the following result (on screen): P-1 on P727 with B1=30, B2=1 P727 stage 1 complete. 116 transforms. Time: 0.018 sec.

Mersenne: M727 has a factor?!?!?

2000-04-08 Thread Will Edgington
P-1 on P727 with B1=30, B2=1 P727 stage 1 complete. 116 transforms. Time: 0.018 sec. (4659194 clocks) Stage 1 GCD complete. Time: 0.001 sec. (164887 clocks) P727 has a factor: 11633 This meets all the criteria too 1) 11633 is PRIME. 2) 2kp+1 = 2*(8)*727+1 = 11633

Re: Mersenne: M727 has a factor?!?!?

2000-04-08 Thread David A. Miller
Hi!! Tell me I'm wrong... and if not, what happened?? P727 has a factor: 11633 Look carefully: that's P727, which denotes 2^727+1. You must have accidentally specified "factor 2^n+1" when you started the work. This small factor was reported because there is no entry in LOWP.TXT for P727;

Re: Mersenne: M727 has a factor?!?!?

2000-04-08 Thread Eric Hahn
Will Edgington wrote: P-1 on P727 with B1=30, B2=1 P727 stage 1 complete. 116 transforms. Time: 0.018 sec. (4659194 clocks) Stage 1 GCD complete. Time: 0.001 sec. (164887 clocks) P727 has a factor: 11633 This meets all the criteria too 1) 11633 is PRIME. 2) 2kp+1