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

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MnStatusDetails
121936681Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
22730143323622894982395992580.92024-03-18 20:04:07
P-1 factors
DateFactorB1B2
2024-03-182273014332362289498239599924000924000
History
DateUserTypeResult
2024-03-18Luke DurantF-PM1
Factor: 2273014332362289498239599 / (P-1, B1=924000)
2022-06-26TheJudgerNF
no factor from 2^76 to 2^77
2022-03-19LordJuliusNF
no factor from 2^61 to 2^63
2021-08-21TheJudgerNF
no factor from 2^75 to 2^76
2021-08-21TheJudgerNF
no factor from 2^74 to 2^75
2020-02-03Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-02-03Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-06-27SMoffatNF
no factor from 2^71 to 2^72
2015-06-15XebecerNF
no factor from 2^70 to 2^71
2013-12-24GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-24GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-24GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-23RichardNF
no factor from 2^65 to 2^66
2010-10-23-Anonymous-NF
no factor from 2^64 to 2^65
2010-05-19Torchwood InstituteNF
no factor from 2^63 to 2^64