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Messages 8657 - 8687 of 9803   Oldest  |  < Older  |  Newer >  |  Newest
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8657
... More work for Chris: Prover code L374 (id 1147) has 4 primes which are attributed to TPS but not to PG, and so TPS has inched ahead of PG. TPS/PG each have...
Paul Underwood
paulunderwooduk
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Jun 3, 2007
11:09 pm
8658
Harvey, are you (or somebody else) currently running a search on a repunit in the interval 200,000-300,000? If not, can I reserve this interval? If yes, can I...
mvoznyy0526
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Jun 6, 2007
11:46 am
8659
David, If I recall, there seemed to be a consensus among folks about projects. But I have forgotten. Was it for projects to share credit like humans (this...
Chris Caldwell
primemogul
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Jun 6, 2007
7:07 pm
8660
(oops! sent to wrong address, anyone of you can remind me if you'd wish... but sorry for spamming the list)...
Chris Caldwell
primemogul
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Jun 6, 2007
7:12 pm
8661
... Sharing seems reasonable to me, and accorded with the largest vote in the poll on this list, last time I looked. That way you don't have to ask anyone what...
David Broadhurst
djbroadhurst
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Jun 6, 2007
8:57 pm
8662
The number of primes found by TPS/Prime Grid id divided by 2, but the number of primes found by other projects is divided by 3! Why?? 1 PrimeGrid 479...
pminovic
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Jun 7, 2007
10:01 pm
8663
All right, it's corrected now, TPS/PG only divided by 2. But I'm against such a sudden change of rules. What's the moral of all this? If you stand out too...
pminovic
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Jun 7, 2007
10:24 pm
8664
... Hardly sudden, Predrag. This thread began more than 3 months ago: http://tech.groups.yahoo.com/group/primeform/message/8377 but Chris wisely took his time...
David Broadhurst
djbroadhurst
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Jun 8, 2007
4:01 am
8665
Hi, Jean Penne's LLR, whose page is http://primes.utm.edu/bios/page.php?id=431 shows too few primes considering how many there are found with it by TPS and PG....
Paul Underwood
paulunderwooduk
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Jun 8, 2007
7:07 am
8666
... Wow! I was only off by about 7000 primes (e.g., omitted only 99.9% of his primes!) Now fixed. I had forgotten a small detail... Tell me if you spot any...
Chris Caldwell
primemogul
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Jun 8, 2007
3:15 pm
8667
... primes, but I will not apologize for being cautious and seeking others opinions before I act. Final decisions are always mine, but I value all of your...
jmblazek
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Jun 8, 2007
8:42 pm
8668
1467763*2^1467763-1 with 441847 digits: http://primes.utm.edu/primes/page.php?id=80955 Big congratulations to Zsuzsi Mate (first Prime Pages entry), Willem...
Jens Kruse Andersen
jkand71
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Jun 8, 2007
9:40 pm
8669
... Willem did most of the work. I just provided the program for sieving. Big congrats to him. I'm surprised that three Woodalls have been found in the past...
mgrogue@...
mgrogue
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Jun 9, 2007
4:18 am
8670
... I pretty sure people have submitted primes under a "g" code (proth.exe) when in fact the used Jean's LLR program ("L" codes) -- they just use their...
Paul Underwood
paulunderwooduk
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Jun 9, 2007
9:15 am
8671
... of ... but I ... fair ... of ... the ... look ... inconsistencies. ... to ... one) ... truly ... don't. A ... different ... that ... like to ... that ... ...
John Blazek
jmblazek
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Jun 9, 2007
10:08 am
8672
... Sorry for the confusion, John. I had just been on mersenneforum.org talking about "program" point sharing and got hold of the wrong end of the stick here. ...
Paul Underwood
paulunderwooduk
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Jun 9, 2007
10:53 am
8673
Congrats to Harvey Dubner for beating his previous record with the 175109 digit palindrome: http://primes.utm.edu/primes/page.php?id=80980 and for continuing...
Paul Underwood
paulunderwooduk
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Jun 9, 2007
11:52 pm
8674
... I concur entirely with Paul's congratulations to Harvey. However, I noted that 101670*91^101670+1 199181 g157 2005 Generalized Cullen 87258*182^87258+1...
David Broadhurst
djbroadhurst
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Jun 10, 2007
12:07 am
8675
My son and I decided to continue Harvey's search for a repunit in the interval n=200,000-300,000. As a first step we ran a trial division of repunits by...
mvoznyy0526
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Jun 11, 2007
5:40 pm
8676
Congrats to projects Twin Prime Search and PrimeGrid for attaining 1000 primes between them (with a few pending submission verifications.) I have not seen this...
Paul Underwood
paulunderwooduk
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Jun 12, 2007
1:55 am
8677
You might find something under Skewe's number, it is the smallest integer in which pi(n)<li(n) must fail. It is closely related to Riemann's Hypothesis. ...
Danny Karl Fleming
bsmath2000
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Jun 13, 2007
1:42 am
8678
Hi, I think these two numbers are probable primes: floor(1/27*sqrt(-9*255+10^(255+1)-10)*10^10900)*10^60+25087; ...
zevi_35711
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Jun 13, 2007
3:37 pm
8680
Using a combination of bc and pfgw, it looks like the first number is divisible by 17, but the 2nd was is PRP to 3/5/7/137 so it seems this one might be prime....
jim_fougeron
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Jun 13, 2007
5:05 pm
8681
Update, the first was also PRP-3/5/7/137. I was a short a few of precision (I used 11000 but needed more), and the last 20 or so digits of the "whole" number...
jim_fougeron
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Jun 13, 2007
5:15 pm
8682
Thanks for the confirmations, Jim. I will look into using the development mode. Regards. ... results. ... number ... function...
zevi_35711
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Jun 13, 2007
8:48 pm
8683
PFGW (even the development version), could not be used for this without "help". Here is how PFGW would "break" down and process this: Original:...
jim_fougeron
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Jun 13, 2007
9:07 pm
8684
But every pi(x) must have an Li(x). Thus a file with consecutive pi(x) and the accompanying Li(x) should be OK? ... From: David Broadhurst To:...
Krieck
krckhs
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Jun 16, 2007
7:05 pm
8685
Thanks, but have been to this site. Its files however are not consecutive in pi(x). ... From: Andrey Kulsha To: primeform@yahoogroups.com Sent: Wednesday, May...
Krieck
krckhs
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Jun 16, 2007
7:05 pm
8686
When pfgw says "XXXX is 3-PRP!", does that mean that the number has passed a Fermat test to base 3 or a strong probable primality test to that base? The...
Phil Moore
philmoore2003
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Jun 20, 2007
11:02 pm
8687
... 3-PRP means base 3 Fermat prp. For example (91 is not SPRP-3): C:\Users\Jens>pfgw -f0 -q91 91 is 3-PRP! (0.0001s+0.0001s) Other prp tests are only made...
Jens Kruse Andersen
jkand71
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Jun 21, 2007
1:25 am
Messages 8657 - 8687 of 9803   Oldest  |  < Older  |  Newer >  |  Newest
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