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

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MnStatusDetails
130488871Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1615383479203150609252812477.12024-08-11 19:37:54
P-1 factors
DateFactorB1B2
2024-08-1116153834792031506092528111720001172000
History
DateUserTypeResult
2024-08-11Luke DurantF-PM1
Factor: 161538347920315060925281 / (P-1, B1=1172000)
2023-07-17Johan ViljoenNF
no factor from 2^76 to 2^77
2023-06-09Johan ViljoenNF
no factor from 2^75 to 2^76
2023-01-25ViliamFNF
no factor from 2^74 to 2^75
2022-12-29SRBaseNF
no factor from 2^74 to 2^75
2021-07-18SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2016-06-21unconnectedNF
no factor from 2^70 to 2^71
2016-03-15SRS TechnologyNF
no factor from 2^71 to 2^72
2016-03-15SRS TechnologyNF
no factor from 2^70 to 2^71
2016-01-05La GüiraNF
no factor from 2^69 to 2^70
2016-01-05La GüiraNF
no factor from 2^68 to 2^69
2016-01-05La GüiraNF
no factor from 2^67 to 2^68
2015-01-18aurashiftNF
no factor from 2^66 to 2^67
2012-10-11lindedNF
no factor from 2^65 to 2^66
2010-11-12Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-06-01Torchwood InstituteNF
no factor from 2^63 to 2^64