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
672319223Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4393430063629853587372168.62018-04-05 12:07:27
History
DateUserTypeResult
2018-04-05ConductorF
Factor: 439343006362985358737 / TF: 68-69
2017-01-07NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-11sasakiNF
no factor from 2^66 to 2^67
2013-12-24sasakiNF
no factor from 2^65 to 2^66
2012-01-27Team_InspectorNF
no factor from 2^64 to 2^65
2010-07-26Architects CubedNF
no factor from 2^63 to 2^64