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

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MnStatusDetails
471000991Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4479020917547515696792168.62016-12-16 14:14:11
History
DateUserTypeResult
2016-12-16ConductorF
Factor: 447902091754751569679 / TF: 68-69
2016-05-31sasakiNF
no factor from 2^67 to 2^68
2016-03-31monstNF
no factor from 2^66 to 2^67
2014-10-01tscNF
no factor from 2^65 to 2^66
2011-12-08tscNF
no factor from 2^64 to 2^65
2010-03-29Architects CubedNF
no factor from 2^63 to 2^64