Mersenne: Re: Factoring benefit/cost ratio

2001-12-06 Thread Steinar H. Gunderson
On Wed, Dec 05, 2001 at 07:10:24PM -0600, [EMAIL PROTECTED] wrote: >Am I correct in interpreting this to mean that you >think that using 64-bit residuals is more reliable than using 16-bit >residuals? If so, then surely you'll grant that 256-bit residuals >would be even more reliable yet, meaning

Mersenne: More on M#39

2001-12-06 Thread George Woltman
Hi all, Another news story (a good one) a little ahead of schedule: http://news.bbc.co.uk/hi/english/sci/tech/newsid_1693000/1693364.stm In the last 24 hours, Guillermo Ballester Valor's Glucas run and Paul Victor Novarese's run using Ernst Mayer's program have completed and proved the number pr

Mersenne: silicon valley 'prime' dinner

2001-12-06 Thread John R Pierce
one more time, I'm offering a ride to anyone and everyone who wants to be picked up in the santa cruz or los gatos areas, leaving santa cruz around 5pm friday... I've got a brand new 7 passenger full sized van (Ford E150 'Traveler'), and 7 *is* a Mersenne prime number (2^3 - 1)... anyone wants a

Re: Mersenne: New exponents

2001-12-06 Thread bjb
On 5 Dec 2001, at 21:23, Nathan Russell wrote: > However, when the client does contact the server (every 28 days by default, > IIRC), will it not get an "this assignment does not belong to us"? > But the test will continue if it is underway. If it isn't the first entry in worktodo.ini the resu

Re: Mersenne: New exponents

2001-12-06 Thread bjb
On 5 Dec 2001, at 22:33, George Woltman wrote: > > > No. The server never contacts the client. That's too much of a security > > > risk in my book. Correct. Though I suppose the server could automatically e-mail a warning to the user that their assignment has been pre-empted. > > > >That isn'

Mersenne: But....but...when is 3^x - 2 prime?

2001-12-06 Thread Paradox
I've got two questions: 1) I have a P4 1.9 GHz with PC800 ram that is testing an exponent in the 333X range, and it is getting approximately 0.180 sec/iteration when completely idle on Windows 2000. According to the benchmark on mersenne.org, it should be around 0.143. Am I losing cycles some

Re: Mersenne: But....but...when is 3^x - 2 prime?

2001-12-06 Thread Jud McCranie
At 05:26 PM 12/6/2001 -0500, Paradox wrote: >1) I have a P4 1.9 GHz with PC800 ram that is testing an exponent in the >333X range, >and it is getting approximately 0.180 sec/iteration when completely idle >on Windows 2000. >According to the benchmark on mersenne.org, it should be around 0.143

Re: Mersenne: But....but...when is 3^x - 2 prime?

2001-12-06 Thread Nathan Russell
At 05:26 PM 12/6/2001 -0500, Paradox wrote: >1) I have a P4 1.9 GHz with PC800 ram that is testing an exponent in the >333X range, >and it is getting approximately 0.180 sec/iteration when completely idle >on Windows 2000. >According to the benchmark on mersenne.org, it should be around 0.143

Mersenne: Un nuovo numero primo di Mersenne

2001-12-06 Thread Luke Welsh
Dated December 4: http://www.lescienze.it/index.php3?id=4383 _ Unsubscribe & list info -- http://www.ndatech.com/mersenne/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers

Re: Mersenne: More on M#39

2001-12-06 Thread Daran
- Original Message - From: "George Woltman" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, December 06, 2001 4:50 PM Subject: Mersenne: More on M#39 > I presume Scott will now try get the story really rolling in the press. > Let's wish him luck. Can you let us know when we

Re: Mersenne: More on M#39

2001-12-06 Thread Nathan Russell
At 12:50 AM 12/7/2001 +, Daran wrote: >- Original Message - >From: "George Woltman" <[EMAIL PROTECTED]> >To: <[EMAIL PROTECTED]> >Sent: Thursday, December 06, 2001 4:50 PM >Subject: Mersenne: More on M#39 > > > > I presume Scott will now try get the story really rolling in the press. >