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Old 2008-11-16, 08:56   #78
Kosmaj
 
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Yes, the 21st prime with more than 1 million digits, and potentially the new largest Fermat (or Gen. Fermat) divisor because of a smal K:

7*2^3511774+1 (1057151 digits)

I wonder why did he use an "x" prover's code, meaning a new search algorithm?
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Old 2008-11-16, 14:50   #79
amphoria
 
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I sse its now been corrected and changed to OpenPFGW.
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Old 2008-11-19, 13:25   #80
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5*2^2460482-1
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Old 2008-11-24, 11:39   #81
em99010pepe
 
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My friend Benson strikes again.

5*2^3059698-1
http://primes.utm.edu/primes/page.php?id=85814

Last fiddled with by em99010pepe on 2008-11-24 at 11:39
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Old 2008-12-14, 15:57   #82
Cruelty
 
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Default Another k=4, b=3 prime

4*3^416337-1 (198644 digits)
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Old 2008-12-15, 10:57   #83
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Another big prime
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Old 2008-12-15, 12:26   #84
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Quote:
Originally Posted by Cruelty View Post
Another big prime
see the Constant-n Search page here http://www.rieselprime.de/Data/Constant_n.htm
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Old 2008-12-18, 17:51   #85
Thomas11
 
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1003*2^2076535-1
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Old 2009-01-05, 10:04   #86
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My friend Benson strikes again.

5*2^3569154-1
http://primes.utm.edu/primes/page.php?id=86152
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Old 2009-01-05, 13:16   #87
henryzz
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he has had a lot of luck lately
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Old 2009-01-09, 01:28   #88
Cruelty
 
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4*3^423253-1 (201944 digits)
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