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

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MnStatusDetails
126697621Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5147360983262182069567432478.82024-07-11 19:34:59
P-1 factors
DateFactorB1B2
2024-07-11514736098326218206956743774000774000
History
DateUserTypeResult
2024-07-11Mark RoseF-PM1
Factor: 514736098326218206956743 / (P-1, B1=774000)
2022-08-01TheJudgerNF
no factor from 2^76 to 2^77
2022-08-01TheJudgerNF
no factor from 2^75 to 2^76
2022-08-01TheJudgerNF
no factor from 2^74 to 2^75
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-11-14SRBaseNF
no factor from 2^72 to 2^73
2016-02-09XebecerNF
no factor from 2^71 to 2^72
2016-02-09XebecerNF
no factor from 2^70 to 2^71
2015-08-21el groccoNF
no factor from 2^69 to 2^70
2015-08-16el groccoNF
no factor from 2^68 to 2^69
2015-08-14el groccoNF
no factor from 2^67 to 2^68
2015-01-04subgeniusNF
no factor from 2^66 to 2^67
2012-09-19HBendtzNF
no factor from 2^65 to 2^66
2010-11-04sasaki3NF
no factor from 2^64 to 2^65
2010-05-26Architects CubedNF
no factor from 2^63 to 2^64