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

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MnStatusDetails
94649083Factored
FactorDigitsBitsDate
1631235794364158211077112477.12019-07-06 15:58:10
P-1 factors
DateFactorB1B2
2019-07-0616312357943641582110771181500015485000
History
DateUserTypeResult
2019-07-06Smok_bmv F-PM1
Factor: 163123579436415821107711 / (P-1, B1=815000, B2=15485000)
2018-12-31Anton RepkoNF
no factor from 2^73 to 2^75
2018-12-31Anton RepkoNF
no factor from 2^71 to 2^73
2018-12-10Architects CubedNF
no factor from 2^71 to 2^72
2014-09-19Paul Arthur RoskellNF
no factor from 2^70 to 2^71
2014-02-21Alan PearmainNF
no factor from 2^69 to 2^70
2014-02-13HobzNF
no factor from 2^68 to 2^69
2014-02-09Carsten KossendeyNF
no factor from 2^65 to 2^68
2011-01-17Architects CubedNF
no factor from 2^64 to 2^65