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
613878569Factored
FactorDigitsBitsDate
2209853430340089441372167.62017-01-20 11:08:37
History
DateUserTypeResult
2017-01-20ConductorF
Factor: 220985343034008944137 / TF: 67-68
2014-02-17sasakiNF
no factor from 2^65 to 2^67