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

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MnStatusDetails
666969419Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4912956802030671408792168.72018-03-07 19:24:55
History
DateUserTypeResult
2018-03-07ConductorF
Factor: 491295680203067140879 / TF: 68-69
2017-02-16sasakiNF
no factor from 2^67 to 2^68
2017-02-15NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-05-10sasakiNF
no factor from 2^66 to 2^67
2010-03-02Architects CubedNF
no factor from 2^65 to 2^66
2010-03-02Architects CubedNF
no factor from 2^64 to 2^65