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

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MnStatusDetails
94853921Factored
FactorDigitsBitsDate
475203684652854212317455525405908959377740131.82019-09-07 05:33:20
P-1 factors
DateFactorB1B2
2019-09-07475203684652854212317455525405908959377789000020025000
History
DateUserTypeResult
2019-09-07Ryan PropperF-PM1
Factor: 4752036846528542123174555254059089593777 / (P-1, B1=890000, B2=20025000, E=6)
2019-09-06ixfd64NF
no factor from 2^73 to 2^74
2019-03-21Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-01Andrew BNF
no factor from 2^71 to 2^72
2014-11-22KazumiNF
no factor from 2^70 to 2^71
2014-09-30workerthreadNF
no factor from 2^69 to 2^70
2014-09-24workerthreadNF
no factor from 2^68 to 2^69
2014-06-16TobiasNF
no factor from 2^67 to 2^68
2014-01-19sasakiNF
no factor from 2^65 to 2^67
2010-12-30Architects CubedNF
no factor from 2^64 to 2^65