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
680221379Factored
FactorDigitsBitsDate
9986981791963620407272169.82017-11-11 19:58:17
History
DateUserTypeResult
2017-11-11NipalF
Factor: 998698179196362040727 / TF: 68-70
2016-10-16sasakiNF
no factor from 2^67 to 2^68
2014-07-23sasakiNF
no factor from 2^66 to 2^67
2014-01-14sasakiNF
no factor from 2^65 to 2^66
2012-01-28Andrew BNF
no factor from 2^64 to 2^65
2010-06-30Architects CubedNF
no factor from 2^63 to 2^64