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

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MnStatusDetails
681292831Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5631360599576528187612168.92018-06-01 17:21:54
History
DateUserTypeResult
2018-06-01ConductorF
Factor: 563136059957652818761 / TF: 68-69
2016-10-19sasakiNF
no factor from 2^67 to 2^68
2014-07-25sasakiNF
no factor from 2^66 to 2^67
2014-01-24sasakiNF
no factor from 2^65 to 2^66
2012-02-07EPFNF
no factor from 2^64 to 2^65
2010-07-04Architects CubedNF
no factor from 2^63 to 2^64