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
697302943Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3898948939678147831672168.42017-06-13 16:25:09
History
DateUserTypeResult
2022-08-02LordJuliusNF
no factor from 2^62 to 2^63
2017-06-13ConductorF
Factor: 389894893967814783167 / TF: 68-69
2014-09-13sasakiNF
no factor from 2^66 to 2^68
2013-10-10sasakiNF
no factor from 2^65 to 2^66
2012-01-24laleraNF
no factor from 2^64 to 2^65
2010-07-16Architects CubedNF
no factor from 2^63 to 2^64