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primenumbers · Prime numbers and primality testing
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Group Information

  • Members: 1175
  • Category: Number Theory
  • Founded: Dec 27, 2000
  • Language: English
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Description

PrimeNumbers is a e-mail discussion list for those who enjoy prime numbers.  Some look for patterns, some seek to find new records, others try to understand the distribution.  We try to limit our discussion to prime numbers, primality testing, and very closely related subjects.

If you enjoy prime numbers there are similar lists you might enjoy, such as PrimeForm focusing on primality proving programs and GIMPS' Mersenne Primes list. 

If you think you have a Goldbach proof -- there are groups which deal specifically with such matters, perhaps try those first?

[ The Prime Pages : FAQ | Glossary | Links | Top 5000 | CrackPots ]

  • Avoid sending the same mail to multiple lists! (because it spams those who are on all of them).
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Most Recent Messages

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Fibonacci PrP
Congratulations to Henry Lifchitz for finding a record Fibonacci PrP http://www.primenumbers.net/prptop/detailprp.php?rank=5 Lélio [Non-text portions of this
Posted - Sat Nov 21, 2009 3:10 am
 Lélio Ribeiro de P...
lelio_73
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2b. Re: Composite number function(2)
2b. Re: Composite number function(2) Posted by: "djbroadhurst" d.broadhurst@... djbroadhurst Date: Thu Nov 19, 2009 9:10 pm ((PST)) ... Hello David. ...
Posted - Fri Nov 20, 2009 3:00 pm
 Kermit Rose
kermit1941
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Re: Composite number function(2)
... Post hoc, ergo propter hoc? ... Your nebulous "algorithm" was surpassed 2200 years ago: http://www.gap-system.org/~history/Biographies/Eratosthenes.html
Posted - Fri Nov 20, 2009 5:10 am
 djbroadhurst
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Composite number function(2)
1a. Re: Composite integer function Posted by: "Yann Guidon" whygee@... yasep16 Date: Wed Nov 18, 2009 9:02 am ((PST)) Hello Kermit, it seems that my
Posted - Fri Nov 20, 2009 4:40 am
 Kermit Rose
kermit1941
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Re: 2^a*3^b one away from a prime
... I think you're right Jens, infinitely many. By observation, the average number of solutions for a given prime seems to be roughly constant, around 10. For
Posted - Fri Nov 20, 2009 4:33 am
 marku606
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009 60 35 100 223 152 175 178 119 152 118 35
2008 43 66 29 13 58 73 45 38 71 46 62 46
2007 109 141 70 46 84 42 35 27 29 19 25 36
2006 155 82 190 96 110 74 65 103 36 20 70 56
2005 165 130 210 180 196 112 89 66 60 59 145 209
2004 197 121 93 93 117 133 120 72 88 172 151 183
2003 616 414 354 343 271 217 316 300 235 242 193 207
2002 381 622 579 440 805 345 276 429 489 556 530 509
2001 257 205 265 272 204 382 430 435 588 645 537 403
2000 15
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