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
691003711Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3887899349908833903132168.42016-12-09 11:00:36
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 388789934990883390313 / TF: 68-70
2016-12-09ConductorF
Factor: 388789934990883390313 / TF: 68-69*
2014-08-16sasakiNF
no factor from 2^66 to 2^68
2013-12-12sasakiNF
no factor from 2^65 to 2^66
2012-02-05Andrew BNF
no factor from 2^64 to 2^65