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

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MnStatusDetails
443004257Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3937189282929885133432168.42016-12-15 17:30:35
History
DateUserTypeResult
2016-12-15ConductorF
Factor: 393718928292988513343 / TF: 68-69
2016-04-08sasakiNF
no factor from 2^67 to 2^68
2015-12-26HBendtzNF
no factor from 2^66 to 2^67
2014-08-29RichardNF
no factor from 2^65 to 2^66
2011-11-23sasaki3NF
no factor from 2^64 to 2^65
2010-03-22Architects CubedNF
no factor from 2^63 to 2^64