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

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MnStatusDetails
115822867Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8795281750591501194148872479.52022-07-08 20:48:33
P-1 factors
DateFactorB1B2
2022-07-08879528175059150119414887575000575000
History
DateUserTypeResult
2022-07-08Smok_bmv F-PM1
Factor: 879528175059150119414887 / (P-1, B1=575000)
2022-04-13404_factor_not_foundNF
no factor from 2^76 to 2^77
2021-06-06TheJudgerNF
no factor from 2^75 to 2^76
2020-11-02hktNF
no factor from 2^74 to 2^75
2020-10-21laxeyeNF
no factor from 2^73 to 2^74
2020-04-25SRBaseNF
no factor from 2^72 to 2^73
2015-09-24Ilya AlexandrovNF
no factor from 2^71 to 2^72
2015-09-24Ilya AlexandrovNF
no factor from 2^70 to 2^71
2015-03-26SMoffatNF
no factor from 2^69 to 2^70
2015-03-15SMoffatNF
no factor from 2^68 to 2^69
2015-03-11bunddogNF
no factor from 2^67 to 2^68
2014-11-29vwflat4NF
no factor from 2^66 to 2^67
2012-06-22subgeniusNF
no factor from 2^65 to 2^66
2010-10-07sasaki3NF
no factor from 2^64 to 2^65
2010-05-08carlos56NF
no factor from 2^63 to 2^64