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

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MnStatusDetails
130225309Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
316081675947180909941598160812994.72024-08-09 11:01:25
P-1 factors
DateFactorB1B2
2024-08-093160816759471809099415981608111340001502428200
History
DateUserTypeResult
2024-08-09Luke DurantF-PM1
Factor: 31608167594718090994159816081 / (P-1, B1=1134000, B2=1502428200)
2023-05-10jwnutterNF
no factor from 2^76 to 2^77
2023-04-19ChuckNF
no factor from 2^75 to 2^76
2023-01-09SRBaseNF
no factor from 2^74 to 2^75
2022-12-23ViliamFNF
no factor from 2^74 to 2^75
2021-07-16SRBaseNF
no factor from 2^73 to 2^74
2020-10-20SRBaseNF
no factor from 2^72 to 2^73
2015-11-05Earle LoweNF
no factor from 2^71 to 2^72
2015-11-05Earle LoweNF
no factor from 2^70 to 2^71
2015-11-05Earle LoweNF
no factor from 2^69 to 2^70
2015-11-04SummyNF
no factor from 2^68 to 2^69
2015-11-02ANONYMOUSNF
no factor from 2^67 to 2^68
2014-06-27Andreas_TruetschNF
no factor from 2^66 to 2^67
2012-10-15RichardNF
no factor from 2^65 to 2^66
2010-11-12sasaki3NF
no factor from 2^64 to 2^65
2010-06-05RichardNF
no factor from 2^63 to 2^64