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
79543979Factored
FactorDigitsBitsDate
1947089126370009770718945912787.32016-03-23 14:29:22
P-1 factors
DateFactorB1B2
2016-03-231947089126370009770718945916950000
History
DateUserTypeResult
2016-03-23Kevin JagetF-PM1
Factor: 194708912637000977071894591
2016-03-12apocalypseNF
no factor from 2^74 to 2^75
2016-03-12apocalypseNF
no factor from 2^73 to 2^74
2016-03-12apocalypseNF
no factor from 2^72 to 2^73
2016-03-12apocalypseNF
no factor from 2^71 to 2^72
2011-02-28steinrarNF
no factor from 2^70 to 2^71
2011-02-28steinrarNF
no factor from 2^69 to 2^70
2011-02-28steinrarNF
no factor from 2^68 to 2^69
2011-02-23BisisNF
no factor from 2^67 to 2^68
2011-02-18ANONYMOUSNF
no factor from 2^66 to 2^67
2010-12-12Craig MeyersNF
no factor from 2^65 to 2^66
2010-11-29Architects CubedNF
no factor from 2^64 to 2^65
2009-05-29Architects CubedNF
no factor from 2^63 to 2^64