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
682276279Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4211224128823295881912168.52018-06-09 03:46:46
History
DateUserTypeResult
2018-06-09ConductorF
Factor: 421122412882329588191 / TF: 68-69
2016-10-26sasakiNF
no factor from 2^67 to 2^68
2014-08-04sasakiNF
no factor from 2^66 to 2^67
2014-01-26sasakiNF
no factor from 2^65 to 2^66
2012-02-01Team_InspectorNF
no factor from 2^64 to 2^65
2010-07-05Architects CubedNF
no factor from 2^63 to 2^64