Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
167169061Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
598399609957207815378172375.72024-09-10 16:00:17
History
DateUserTypeResult
2025-06-04GregF
Factor: 59839960995720781537817 / TF: 75-76
2024-09-10SRBaseF
Factor: 59839960995720781537817 / TF: 75-76*
2023-03-16SRBaseNF
no factor from 2^74 to 2^75
2021-12-12SRBaseNF
no factor from 2^73 to 2^74
2018-02-28arnaudNF
no factor from 2^72 to 2^73
2018-02-27arnaudNF
no factor from 2^71 to 2^72
2018-02-25ZenghuiNF
no factor from 2^70 to 2^71
2018-02-19La GüiraNF
no factor from 2^69 to 2^70
2017-04-20XolotlNF
no factor from 2^68 to 2^69
2016-06-02tscNF
no factor from 2^67 to 2^68
2015-05-31SummyNF
no factor from 2^66 to 2^67
2013-03-19GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-04-17RichardNF
no factor from 2^64 to 2^65
2010-07-06Torchwood InstituteNF
no factor from 2^63 to 2^64