Hi all,

I've just started up Prime95 after about 6 months, maybe longer, of not
running it.

It started on the exponent that I had been working on last time it was
running (38438993) and I immediately received the following error:

Contacting PrimeNet server.
Updating computer information on the server.
Sending expected completion date for M38438993: April 28 2008.
ERROR 17: Operation not permitted on this exponent.
The FAQ at http://www.mersenne.org/ips/faq.html may have more
information.
Done communicating with server. 

I did a search of the faq (maybe I missed it) looking for ERROR 17 but I
couldn't find it.

The program continues to work on the exponent, but returns the error
message once a day when it contacts the server.  I'm assuming that
because it has been so long since I last ran the program the exponent
has expired and been given to somebody else.

I don't want to cause somebody else the same problem that Chris had, so
is there a file that I can edit or delete that will force my pc to get a
new exponent?  Alternatively, can I check somewhere to see whether or
not a double-check has been run on this exponent.  If it hasn't then can
I just let it continue and have it automatically treated (upon
completion) as a double-check?  Or does the 6th month time delay
invalidate the results regardless?

Andrew Young

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Brian Beesley
Sent: Thursday, 13 March 2008 12:30
To: [EMAIL PROTECTED]; The Great Internet Mersenne Prime Search list
Subject: Re: [Prime] Was I poached?

On Wednesday 12 March 2008 21:42, Chris Marble wrote:
>
> I'd been assigned this exponent on 03-Feb-08 so it certainly wasn't 
> due to expire.  Should I just do the LL testing on the exponent and 
> get credited with a very early double check?

Why not?

BTW the most likely reason for being "poached" is that someone had the
exponent, let it expire but carried on working on it anyway.

Regards
Brian Beesley
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