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
121260707Factored
FactorDigitsBitsDate
9411317250564211146908712479.62024-01-28 21:44:32
P-1 factors
DateFactorB1B2
2024-01-2894113172505642111469087167400056807058
History
DateUserTypeResult
2024-01-28Smok_bmv F-PM1
Factor: 941131725056421114690871 / (P-1, B1=674000, B2=56807058)
2022-06-22TheJudgerNF
no factor from 2^76 to 2^77
2021-08-20Kevin JagetNF
no factor from 2^75 to 2^76
2021-08-09FlaukrotistNF
no factor from 2^74 to 2^75
2021-07-08SRBaseNF
no factor from 2^73 to 2^74
2020-10-28SRBaseNF
no factor from 2^72 to 2^73
2015-06-03-Anonymous-NF
no factor from 2^71 to 2^72
2015-05-24Smok_bmv NF
no factor from 2^70 to 2^71
2013-11-18GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-11-18GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-11-18GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-11sasaki3NF
no factor from 2^65 to 2^66
2010-10-21Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-18sasaki3NF
no factor from 2^63 to 2^64