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
619319167Factored
FactorDigitsBitsDate
6216330218446845005512169.12016-09-20 06:05:03
History
DateUserTypeResult
2016-09-20NipalF
Factor: 621633021844684500551 / TF: 67-70
2014-03-09sasakiNF
no factor from 2^65 to 2^67