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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MnStatusDetails
81416651Factored
FactorDigitsBitsDate
1488047813186398835772914712786.92017-06-06 15:18:49
P-1 factors
DateFactorB1B2
2017-06-0614880478131863988357729147168500013015000
History
DateUserTypeResult
2017-06-06bamF-PM1
Factor: 148804781318639883577291471 / (P-1, B1=685000, B2=13015000)
2016-11-06TheJudgerNF
no factor from 2^74 to 2^75
2016-11-06TheJudgerNF
no factor from 2^73 to 2^74
2016-09-28Judge HaleNF
no factor from 2^72 to 2^73
2016-09-28Judge HaleNF
no factor from 2^71 to 2^72
2013-06-12processinfoNF
no factor from 2^70 to 2^71
2013-02-02rjbelansNF
no factor from 2^69 to 2^70
2013-01-27rjbelansNF
no factor from 2^68 to 2^69
2013-01-25SMoffatNF
no factor from 2^67 to 2^68
2011-02-21FrancoNeroNF
no factor from 2^66 to 2^67
2011-02-20Ujjwal ChaliseNF
no factor from 2^65 to 2^66
2010-12-14Architects CubedNF
no factor from 2^64 to 2^65