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Messages 8432 - 8461 of 9803   Oldest  |  < Older  |  Newer >  |  Newest
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8432
... Not any more 40931485*2^53124-3 Cunningham chain 2nd kind (2p-1) 40931485*2^53123-1 Cunningham chain 2nd kind (p) ___________ David Underbakke...
David Underbakke
dlunderbakke
Offline Send Email
Mar 1, 2007
4:27 pm
8433
... Fixed, in Minnesota :-) http://primes.utm.edu/primes/page.php?id=79587 thanks to David U. David B....
David Broadhurst
djbroadhurst
Offline Send Email
Mar 1, 2007
4:29 pm
8434
Number-two-son found a way for me to improve my french/maths: http://wims.unice.fr/wims/wims.cgi?lang=fr&+session=LE2D1A9157.1 I like it when folk share...
David Broadhurst
djbroadhurst
Offline Send Email
Mar 2, 2007
1:15 am
8435
Gang, First, sorry I have been away.. I have had bad health. But, now that I am recovering, I am picking up where I left off with my 'unique' (it's ok to laugh...
lasher_chuck
Offline Send Email
Mar 3, 2007
4:12 am
8436
... I'm not sure what you mean by "N" and "B". Is it of the form k*2^n+1? Do you mean .400ms/iteration? For our project searching for primes of the form...
Paul Underwood
paulunderwooduk
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Mar 7, 2007
2:59 pm
8437
hi all. I am endlessly getting help from this group.Thanks one and all of this group. Recently I have developed a software that can calculate very big...
bala prabha
prabha1729sbp
Offline Send Email
Mar 9, 2007
9:13 am
8438
I have a large number (10,000,000 digits) that i believe to be prime, and i have many computers at my disposal (one duo core extreme, one quad core extreme, 4...
mikeangelaandkids
mikeangelaan...
Offline Send Email
Mar 9, 2007
9:14 am
8439
hi all. I am endlessly getting help from this group.Thanks one and all of this group. Recently I have developed a software that can calculate very big...
bala prabha
prabha1729sbp
Offline Send Email
Mar 9, 2007
9:14 am
8440
Hi, I plan to write a paper about Mersenne numbers and the LLT test for a French newspaper (A magazine of pure, spicy and applied mathematics, intended for...
tony.reix
tonyreix
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Mar 9, 2007
9:19 am
8441
... To decide if it is useful, compare it to one of the standard packages that have these same functions: GMP, PARI, and obviously OpenPFGW, ... To be useful...
Chris Caldwell
primemogul
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Mar 9, 2007
3:27 pm
8442
Congrats to Paul and 321search for the biggest known LLR proof, currently being retested at the Prime Pages: http://primes.utm.edu/primes/page.php?id=79671 ...
David Broadhurst
djbroadhurst
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Mar 9, 2007
3:43 pm
8443
c:\prime>tst_300000!.bat The current time is: 10:23:43.01 Enter the new time: PFGW Version 20050428.Win_Dev (Alpha/IBDWT 'caveat utilitor') Using v24fft.DLL,...
jim_fougeron
Offline Send Email
Mar 9, 2007
4:38 pm
8444
Hello, if you have no special forms of your possible [primes] you can never say it is PRIME,because a true PRP-TEST is not enough. Otherwise, you have special...
N.L.
nluhn
Offline Send Email
Mar 9, 2007
6:51 pm
8445
Norman, I think the original poster was saying that he only has one possible prime and wants to know if the proof of it, using PFGW, can be done spread over...
Thomas Hadley
kctom99
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Mar 9, 2007
7:36 pm
8446
Ah, thanks ! ... ___________________________________________________________ Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de...
N.L.
nluhn
Offline Send Email
Mar 9, 2007
7:43 pm
8447
Ah, thanks ! ... ___________________________________________________________ Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de...
N.L.
nluhn
Offline Send Email
Mar 9, 2007
8:05 pm
8448
... Thanks David. It has been verified at UTM. It is a pity that our prime was not over 1 million digits. We are all set to carry on searching with our hearts...
Paul Underwood
paulunderwooduk
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Mar 10, 2007
1:39 am
8449
... That is exactly what i am saying. Sorry for not being more clear about that. The number i have is a special form, though not one i have seen anywhere....
mikeangelaandkids
mikeangelaan...
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Mar 10, 2007
2:52 pm
8450
Perhaps if your code is "so fast", you'de like to share it with the rest of us. Computing 300000! is relatively easy, factorizing 300000!+/-1 gets a bit more...
Alan McFarlane
mcfarlane_alan
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Mar 10, 2007
2:53 pm
8451
... rest ... bit ... The full source code for PFGW is hosted right here, on this Yahoo group's site. Also, much of the internal maths used in the expression ...
jim_fougeron
Offline Send Email
Mar 10, 2007
3:00 pm
8452
what do you make of this pfgw_err.log? Error occuring in PFGW at Tue Mar 13 13:03:10 2007 Expr = 1813271979480267....4024970012410907 Failed at bit 1 of 298974...
mikeangelaandkids
mikeangelaan...
Offline Send Email
Mar 13, 2007
11:01 pm
8453
... Is this Windows? If Linux, what distro/version? What version of PFGW? Are you overclocking? Have you tried the "-a1" switch? Email me the number and I'll...
Paul Underwood
paulunderwooduk
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Mar 13, 2007
11:28 pm
8454
... Testing) ... Fedora Core 6. PFGW 1.2 No overclocking (rock stable system) wil try the -a1 switch after my current group of numbers gets finished (most...
mikeangelaandkids
mikeangelaan...
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Mar 14, 2007
1:56 pm
8455
... I have had some problematic numbers on Ubuntu. I am no expert, but I think has something to with the underlying GMP calls. ... ok Paul...
Paul Underwood
paulunderwooduk
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Mar 14, 2007
2:31 pm
8456
Might be you been close to the worst case path in the cores, in combination with some heat and overclocking might cause big trouble, perhaps in combination...
Vincent Diepeveen
diepchess
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Mar 14, 2007
5:47 pm
8457
... I sent you the numbers by e-mail. and i want to add the update that i get the same error with the -a1 switch. Mike Wallace...
mikeangelaandkids
mikeangelaan...
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Mar 15, 2007
12:48 am
8458
here you go, trying the -a1 switch now, hasn't given me any output yet. I got the error on all three of these numbers (they are fairly close together too). I...
ak wallace
mikeangelaan...
Offline Send Email
Mar 15, 2007
12:48 am
8459
... Unfortunately, you also sent them to the whole list, there causing considerable nuisance. David Broadhurst...
David Broadhurst
djbroadhurst
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Mar 15, 2007
1:30 am
8460
Hi, Group. If I use "run: pfgw input.txt -f6{4,3} -b2", Can I use another -switch to immediately step to the next number, if a factor is found quickly or... Do...
leavemsg1
Offline Send Email
Mar 17, 2007
6:22 pm
8461
... No. ... Use {4,-1} for factors congruent to 3 modulo 4. David...
David Broadhurst
djbroadhurst
Offline Send Email
Mar 18, 2007
1:25 am
Messages 8432 - 8461 of 9803   Oldest  |  < Older  |  Newer >  |  Newest
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