Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
79420511Factored
FactorDigitsBitsDate
255964442992435224452254092684.42016-09-29 19:20:02
P-1 factors
DateFactorB1B2
2016-09-29255964442992435224452254096650000
History
DateUserTypeResult
2016-09-29baseyF-PM1
Factor: 25596444299243522445225409 / (P-1, B1=665000)
2016-09-24Tim SorberaNF
no factor from 2^74 to 2^75
2016-09-20RichD0NF
no factor from 2^73 to 2^74
2016-08-12RichD0NF
no factor from 2^72 to 2^73
2016-02-21GregNF
no factor from 2^71 to 2^72
2014-02-24Smok_bmv NF
no factor from 2^70 to 2^71
2011-01-24-Anonymous-NF
no factor from 2^69 to 2^70
2011-01-18-Anonymous-NF
no factor from 2^68 to 2^69
2010-12-09thej_man1042NF
no factor from 2^67 to 2^68
2010-12-04CLICHENF
no factor from 2^66 to 2^67
2010-11-29Stephan WelkerNF
no factor from 2^65 to 2^66
2010-11-27XyzzyNF
no factor from 2^64 to 2^65
2009-05-29Architects CubedNF
no factor from 2^63 to 2^64