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
618774853Factored
FactorDigitsBitsDate
1960145940220845387772167.42017-02-10 14:44:35
History
DateUserTypeResult
2017-02-10ConductorF
Factor: 196014594022084538777 / TF: 67-68
2014-03-10sasakiNF
no factor from 2^66 to 2^67
2014-03-10sasakiNF
no factor from 2^65 to 2^66