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

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MnStatusDetails
696197759Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6619075553875337427192169.22017-07-30 17:53:18
History
DateUserTypeResult
2022-07-30LordJuliusNF
no factor from 2^1 to 2^63
2017-07-30ConductorF
Factor: 661907555387533742719 / TF: 68-70
2014-12-07sasakiNF
no factor from 2^67 to 2^68
2014-09-15sasakiNF
no factor from 2^66 to 2^67
2013-11-13sasakiNF
no factor from 2^65 to 2^66
2012-01-26laleraNF
no factor from 2^64 to 2^65
2010-07-17Architects CubedNF
no factor from 2^63 to 2^64