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
673980413Factored
FactorDigitsBitsDate
4388582362242407880732168.62018-04-17 11:53:48
History
DateUserTypeResult
2018-04-17ConductorF
Factor: 438858236224240788073 / TF: 68-69
2017-01-03NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-14sasakiNF
no factor from 2^66 to 2^67
2013-12-29sasakiNF
no factor from 2^65 to 2^66