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

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MnStatusDetails
120976433Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1365504252117129094191363532786.82024-02-24 11:59:26
P-1 factors
DateFactorB1B2
2024-02-2413655042521171290941913635369000061409964
History
DateUserTypeResult
2024-02-24Smok_bmv F-PM1
Factor: 136550425211712909419136353 / (P-1, B1=690000, B2=61409964)
2022-06-22TheJudgerNF
no factor from 2^76 to 2^77
2021-07-09KrieselNF
no factor from 2^75 to 2^76
2021-07-09KrieselNF
no factor from 2^74 to 2^75
2021-03-13caddrNF
no factor from 2^73 to 2^74
2020-08-19tscNF
no factor from 2^72 to 2^73
2015-06-02-Anonymous-NF
no factor from 2^71 to 2^72
2015-05-22symalladNF
no factor from 2^70 to 2^71
2015-05-21bunddogNF
no factor from 2^69 to 2^70
2015-05-13SMoffatNF
no factor from 2^68 to 2^69
2015-02-20caddrNF
no factor from 2^67 to 2^68
2013-10-10E.LechnerNF
no factor from 2^66 to 2^67
2012-08-08Mr-PlonkNF
no factor from 2^65 to 2^66
2010-10-20Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-17Torchwood InstituteNF
no factor from 2^63 to 2^64