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
684723973Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4881861961940456710092168.72018-06-21 03:34:43
History
DateUserTypeResult
2018-06-21ConductorF
Factor: 488186196194045671009 / TF: 68-69
2016-10-26sasakiNF
no factor from 2^67 to 2^68
2014-07-31sasakiNF
no factor from 2^66 to 2^67
2014-02-04sasakiNF
no factor from 2^65 to 2^66
2012-02-01McSixNF
no factor from 2^64 to 2^65
2010-07-13Architects CubedNF
no factor from 2^63 to 2^64