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
426001643Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5528708951837576624812168.92016-12-14 07:37:45
History
DateUserTypeResult
2016-12-14ConductorF
Factor: 552870895183757662481 / TF: 68-69
2015-05-25sasakiNF
no factor from 2^66 to 2^68
2014-07-31vinculumNF
no factor from 2^65 to 2^66