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

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MnStatusDetails
137872123Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7726275952347403887106812479.42024-09-18 12:57:20
P-1 factors
DateFactorB1B2
2024-09-1877262759523474038871068111430001143000
History
DateUserTypeResult
2024-09-18Luke DurantF-PM1
Factor: 772627595234740388710681 / (P-1, B1=1143000)
2024-07-28TheJudgerNF
no factor from 2^76 to 2^77
2024-07-16SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^69 to 2^70
2023-01-15SRBaseNF
no factor from 2^74 to 2^75
2021-07-31SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2016-06-16Andrew BNF
no factor from 2^71 to 2^72
2016-06-14Smok_bmv NF
no factor from 2^70 to 2^71
2016-06-13Josh FamestadNF
no factor from 2^69 to 2^70
2016-05-19Choi4KANGNF
no factor from 2^68 to 2^69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-02-06BrandonNF
no factor from 2^66 to 2^67
2012-11-14subgeniusNF
no factor from 2^65 to 2^66
2010-12-04RichardNF
no factor from 2^64 to 2^65
2010-06-11Torchwood InstituteNF
no factor from 2^63 to 2^64