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

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MnStatusDetails
166131359Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
641685492005533936526332375.82024-09-07 06:34:20
History
DateUserTypeResult
2025-06-04GregF
Factor: 64168549200553393652633 / TF: 75-76
2024-09-07SRBaseF
Factor: 64168549200553393652633 / TF: 75-76*
2023-03-27SRBaseNF
no factor from 2^74 to 2^75
2021-12-12SRBaseNF
no factor from 2^73 to 2^74
2018-07-27Yuri PonomarevNF
no factor from 2^72 to 2^73
2018-01-29Oliver KruseNF
no factor from 2^71 to 2^72
2018-01-24workerthreadNF
no factor from 2^70 to 2^71
2017-05-02La GüiraNF
no factor from 2^69 to 2^70
2017-05-02La GüiraNF
no factor from 2^68 to 2^69
2016-03-31XZTNF
no factor from 2^67 to 2^68
2015-05-27ANONYMOUSNF
no factor from 2^66 to 2^67
2013-03-16Triumph Daytona NF
no factor from 2^65 to 2^66
2011-02-11sasaki3NF
no factor from 2^64 to 2^65
2010-07-07garoNF
no factor from 2^63 to 2^64