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
680736547Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7771502664408723409212169.42017-11-14 18:07:13
History
DateUserTypeResult
2017-11-14NipalF
Factor: 777150266440872340921 / TF: 68-70
2016-10-22sasakiNF
no factor from 2^67 to 2^68
2014-07-23sasakiNF
no factor from 2^66 to 2^67
2014-01-17sasakiNF
no factor from 2^65 to 2^66
2012-01-29Alben WeeksNF
no factor from 2^64 to 2^65
2010-07-02Architects CubedNF
no factor from 2^63 to 2^64