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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
996173917Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
393555052082515633247292375.12024-11-26 10:56:13
History
DateUserTypeResult
2024-11-26zhangst--chinaF
Factor: 39355505208251563324729 / TF: 75-76
2024-03-21JacobZNF
no factor from 2^74 to 2^75
2022-05-07JacobZNF
no factor from 2^73 to 2^74
2021-07-05SRBaseNF
no factor from 2^72 to 2^73
2020-07-15Yves de WandelaarNF
no factor from 2^71 to 2^72
2012-08-13lindeeNF
no factor from 2^67 to 2^71
2011-07-26lindeeNF
no factor from 2^66 to 2^67
2011-02-02lindeeNF
no factor from 2^65 to 2^66
2010-08-19lindedNF
no factor from 2^64 to 2^65