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
91357423Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4251475077908597009690472478.52019-06-10 04:49:14
P-1 factors
DateFactorB1B2
2019-06-104251475077908597009690477100000
History
DateUserTypeResult
2019-06-10Smok_bmv F-PM1
Factor: 425147507790859700969047 / (P-1, B1=710000)
2019-03-10TheJudgerNF
no factor from 2^76 to 2^77
2018-12-16TheJudgerNF
no factor from 2^75 to 2^76
2018-12-16TheJudgerNF
no factor from 2^74 to 2^75
2018-05-03gcardonaNF
no factor from 2^73 to 2^74
2018-04-18RichD0NF
no factor from 2^72 to 2^73
2017-03-13monstNF
no factor from 2^71 to 2^72
2014-09-19shaugeNF
no factor from 2^70 to 2^71
2014-09-19shaugeNF
no factor from 2^69 to 2^70
2014-06-11Alex HenrieNF
no factor from 2^68 to 2^69
2014-06-08Alex HenrieNF
no factor from 2^67 to 2^68
2014-04-04Andreas_TruetschNF
no factor from 2^66 to 2^67
2013-06-13David CampeauNF
no factor from 2^65 to 2^66
2010-12-29Architects CubedNF
no factor from 2^64 to 2^65