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

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MnStatusDetails
687590413Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4038574828210331600712168.52018-07-05 21:38:06
History
DateUserTypeResult
2018-07-05ConductorF
Factor: 403857482821033160071 / TF: 68-69
2016-11-13NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-08sasakiNF
no factor from 2^66 to 2^67
2014-02-24america64NF
no factor from 2^65 to 2^66
2012-02-03ALSNF
no factor from 2^64 to 2^65
2010-07-14Architects CubedNF
no factor from 2^63 to 2^64