H:\pform>pfgw "-q(2^32-2^19-1)*2^9000+1" PFGW Version 20010212.Win_Dev (Beta software, 'caveat utilitor') (2^32-2^19-1)*2^9000+1 is composite: (2.393000...
Phil Carmody
fatphil@...
Mar 6, 2001 3:49 pm
347
... Yes, a very easy answer. One of them (4294443007*2^9000+1) fits into a "prothable" form, the other does not. The faster version uses Chris's proth...
jfoug@...
Mar 6, 2001 7:46 pm
348
Hi folks ... Hmmm, this looks like a very strange bit of Woltman representation causing a very unusual side-effect, my guess is the clue is somewhere in the...
Chris Nash
chris_nash@...
Mar 8, 2001 7:44 am
349
Hi all, After persuading a few friends of mine that it would be a good idea to give some clock cycles to my latest project (I won't tell you what it is till ...
Michael Bell
mdb36@...
Mar 10, 2001 5:47 pm
350
Hi folks Carlos Rivera (crivera@...) wrote to me today asking for some help on a search he is organizing to try and find numbers that are ...
Chris Nash
chris_nash@...
Mar 11, 2001 12:43 am
351
Hi there folks ... server ... some ... check in ... This sounds *very* exciting... it's something I know Jim has been aching to have a look at, and I had a...
Chris Nash
chris_nash@...
Mar 11, 2001 1:02 am
352
Hi folks, Concentrated effort tonight to bring the site back in line with a few updates that Jim did after the January 28 drop. This is the first chance I've...
Chris Nash
chris_nash@...
Mar 11, 2001 2:11 am
353
Hi folks, I've finally got around to updating the source drops on the web site to be inline with Jim's zip archive in the files area - the new drop is ...
Chris Nash
chris_nash@...
Mar 11, 2001 4:18 am
354
... Unix never needs more than stdin and stdout. The shell can be used to redirect these through a program like net-cat 'nc', I'm sure. It may take a 3 line...
Phil Carmody
fatphil@...
Mar 11, 2001 11:00 am
355
WOW! actual email on the channel ;) I still have a couple of small changes to get to you Chris, along with I noticed that the version was not changed in the...
Jim Fougeron
jfoug@...
Mar 12, 2001 12:25 am
356
Chris, Here are the changes. Everything else looked good. Even with the header change, the win build enviroment did not change (thank God ;) Do you think I...
Jim Fougeron
jfoug@...
Mar 12, 2001 4:08 am
357
Chris, One additional issue. In the dev-winbuild*.zip there were a bunch of *.h files in the pfconfig\headers. It does not hurt much if they are there, but...
Jim Fougeron
jfoug@...
Mar 12, 2001 4:10 am
358
... Whoops, Guess I did already. Sorry for the attachment post guys. Jim....
Jim Fougeron
jfoug@...
Mar 12, 2001 4:12 am
359
Dear Colleagues and Correspondents, I have just (I hope) solved a traumatic (for me) e-mail problem that has kept me off-line for a while. I will spare you...
Andy Steward
aads@...
Mar 19, 2001 2:59 am
360
Hi folks, Just a quick note to let you know that George Woltman seems to be proceeding well with the Pentium-IV version of the prime95 engine. The architecture...
Chris Nash
chris_nash@...
Mar 22, 2001 2:46 am
361
Hi all ! I am happy to join the Openpfgw project, and thank Chris Nash who invited me to do so. With the hope I should contribute soon with something usefull. ...
Jean Penné
j_penne@...
Apr 11, 2001 5:47 am
362
Welcome Jean, You will find that this group frequently appears to be dead, and then has growth spurts where a lot of new things get added. We have been dead...
Jim Fougeron
jfoug@...
Apr 11, 2001 12:08 pm
363
... Might http://groups.yahoo.com/group/primeform/message/1816 (et seqq) be a place to resume. Should I look for a factorfile that require N-1 and N+1 with -x...
d.broadhurst@...
Apr 11, 2001 4:12 pm
364
Hi, I have finally got round to putting the networking mode into a usable form. If you are interested have a look at ...
Michael Bell
mdb36@...
Apr 11, 2001 6:27 pm
365
... I still need to fix the modular sieve... (It never fully worked in the first place, so it's not really 'fix'ing). Work is mad. My 2 development PCs have...
Phil Carmody
fatphil@...
Apr 11, 2001 9:40 pm
366
Hi folks ... Whoa there David, go easy with the thumbscrews on me :) Seriously though, 'genuine' N^2-1 tests are not too far away in pfgw - the N+1 internals...
Chris Nash
chris_nash@...
Apr 12, 2001 4:33 am
367
Welcome Jean to the list! As Jim points out, things here can be very quiet at times. Then suddenly very much happens. This evening I have lots of new files to ...
Chris Nash
chris_nash@...
Apr 12, 2001 4:33 am
368
Hi, ... Yes, I have already received several messages from the group, and it encourages me ! ... Yes, it seems to be true : I tested three well known prime...
Jean Penné
j_penne@...
Apr 12, 2001 8:04 pm
369
... Wow! That is impressive, Jean. ... Off to the (virtual) library.... So that test is v[i]^2=v[i-1]^2-2 and v[n-2]=0 mod N iff N=h*2^n-1 is prime with all...
d.broadhurst@...
Apr 12, 2001 9:01 pm
370
... It would be much more impressive (a factor from 2 to 3 further) if it were possible to use the DWT and irrational base method of Richard Crandall to ...
Jean Penné
j_penne@...
Apr 13, 2001 6:13 am
371
... I note that Riesel says that he can find the Lucasian starting value for any h<2^n in N=h*2^n-1. What is the largest h<2^n for which a non-trivial starting...
d.broadhurst@...
Apr 13, 2001 1:55 pm
372
... Yes, this is the limit of his method. ... I don't know, but I wish to make a program to see how frequent are the failures to find the starting value v1,...
Jean Penné
j_penne@...
Apr 13, 2001 8:13 pm
373
... Thanks Jean. I like that: no worse than present PFGW for any legal h; 3 times faster for h << 2^n. Conclusion: do not restrict h to be small in code? David...
d.broadhurst@...
Apr 13, 2001 8:31 pm
374
Hi folks, George Woltman told me about Jean's results - I was sure they would be impressive. And indeed they are.... ... -it ? ... used. ... or ... That is...
Chris Nash
chris_nash@...
Apr 14, 2001 1:10 am
375
Hi folks, There's a partial drop of the current dev level of openpfgw in the yahoogroups files area http://www.yahoogroups.com/files/primeform I've dropped it...
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