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
121200307Factored
FactorDigitsBitsDate
16800826122739993463904072580.52024-01-25 06:33:33
P-1 factors
DateFactorB1B2
2024-01-25168008261227399934639040769100061545330
History
DateUserTypeResult
2024-01-25Smok_bmv F-PM1
Factor: 1680082612273999346390407 / (P-1, B1=691000, B2=61545330)
2022-06-22TheJudgerNF
no factor from 2^76 to 2^77
2021-09-05linamentNF
no factor from 2^75 to 2^76
2021-08-31LOBESNF
no factor from 2^74 to 2^75
2021-07-06SRBaseNF
no factor from 2^73 to 2^74
2020-10-28SRBaseNF
no factor from 2^72 to 2^73
2015-10-31bunddogNF
no factor from 2^71 to 2^72
2015-10-08bunddogNF
no factor from 2^70 to 2^71
2013-11-15GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-11-15GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-11-15GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-13OS1NF
no factor from 2^65 to 2^66
2010-10-21oodairaNF
no factor from 2^64 to 2^65
2010-05-18subgeniusNF
no factor from 2^63 to 2^64