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

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MnStatusDetails
102595253Factored
FactorDigitsBitsDate
1888917998121676070028012477.32021-02-11 22:09:36
P-1 factors
DateFactorB1B2
2021-02-111888917998121676070028018550000
History
DateUserTypeResult
2021-02-11nranksF-PM1
Factor: 188891799812167607002801 / (P-1, B1=855000)
2020-11-08TheJudgerNF
no factor from 2^75 to 2^76
2020-11-08TheJudgerNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-02-28el groccoNF
no factor from 2^72 to 2^73
2014-12-15RichD0NF
no factor from 2^71 to 2^72
2014-07-09Ryan PropperNF
no factor from 2^70 to 2^71
2014-07-09Ryan PropperNF
no factor from 2^69 to 2^70
2014-07-09Ryan PropperNF
no factor from 2^68 to 2^69
2014-07-08David HruskaNF
no factor from 2^67 to 2^68
2014-07-08-Anonymous-NF
no factor from 2^67 to 2^68
2014-07-02PascalBieriNF
no factor from 2^66 to 2^67
2012-04-24OS1NF
no factor from 2^65 to 2^66
2010-08-19James HintzNF
no factor from 2^64 to 2^65
2010-05-171997rj7NF
no factor from 2^63 to 2^64