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

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MnStatusDetails
683245819Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5255121487440020600892168.82018-06-14 13:48:37
History
DateUserTypeResult
2018-06-14ConductorF
Factor: 525512148744002060089 / TF: 68-69
2016-11-02sasakiNF
no factor from 2^67 to 2^68
2014-07-28sasakiNF
no factor from 2^66 to 2^67
2014-01-30sasakiNF
no factor from 2^65 to 2^66
2012-01-31Jud McCranieNF
no factor from 2^64 to 2^65
2010-07-08Architects CubedNF
no factor from 2^63 to 2^64