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
698304199Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3958521277424780899372168.42017-06-19 17:51:38
History
DateUserTypeResult
2022-08-15LordJuliusNF
no factor from 2^62 to 2^63
2022-08-15J.R. AllenNF
no factor from 2^62 to 2^63
2017-06-19ConductorF
Factor: 395852127742478089937 / TF: 68-69
2014-10-28sasakiNF
no factor from 2^66 to 2^68
2013-10-03sasakiNF
no factor from 2^65 to 2^66
2012-01-23laleraNF
no factor from 2^64 to 2^65
2010-07-18Architects CubedNF
no factor from 2^63 to 2^64