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

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MnStatusDetails
143348467Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5041606105815729890618412478.72024-10-06 21:50:58
P-1 factors
DateFactorB1B2
2024-10-06504160610581572989061841875000875000
History
DateUserTypeResult
2024-10-06Ryan PropperF-PM1
Factor: 504160610581572989061841 / (P-1, B1=875000)
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2023-01-25SRBaseNF
no factor from 2^74 to 2^75
2021-11-09SRBaseNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2016-12-03nate.andersNF
no factor from 2^71 to 2^72
2016-05-27Choi4KANGNF
no factor from 2^70 to 2^71
2016-04-24SourceBinary.comNF
no factor from 2^69 to 2^70
2016-04-17workerthreadNF
no factor from 2^68 to 2^69
2016-04-04dbaughNF
no factor from 2^67 to 2^68
2015-02-26Thomas StorkNF
no factor from 2^66 to 2^67
2012-12-14-Anonymous-NF
no factor from 2^65 to 2^66
2010-12-20subgeniusNF
no factor from 2^64 to 2^65
2010-06-17sasaki3NF
no factor from 2^63 to 2^64