Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
66693049TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 13706250
LL
StatusDateUserResidueShift
Verified2015-05-06curtisc2A68E21A6BB53D4C18905685
Verified2023-12-27Sergei Kozelko2A68E21A6BB53D4C12385257
History
DateUserTypeResult
2023-12-27Sergei KozelkoC-LL
2A68E21A6BB53D4C
2015-05-06curtiscC-LL
2A68E21A6BB53D4C
2015-04-06RichD0NF
no factor from 2^74 to 2^75
2014-11-12XyzzyNF
no factor from 2^73 to 2^74
2014-04-06TheJudgerNF-PM1
B1=645000, B2=13706250, E=12
2014-03-30TheJudgerNF
no factor from 2^72 to 2^73
2014-03-30TheJudgerNF
no factor from 2^71 to 2^72
2012-07-07-Anonymous-NF
no factor from 2^70 to 2^71
2012-02-08sikafarmi_rendering_farmNF
no factor from 2^69 to 2^70
2010-07-28TDH-DXLNF
no factor from 2^68 to 2^69
2010-07-23PrimeCruncherNF
no factor from 2^67 to 2^68
2010-07-19MRodeznoNF
no factor from 2^66 to 2^67
2009-04-01AnonymousNF
no factor from 2^65 to 2^66
2009-03-29Griffin BurghNF
no factor from 2^64 to 2^65
2009-03-021997rj7NF
no factor to 2^64