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
678648133Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3120236454978603968392168.12018-05-25 03:58:45
History
DateUserTypeResult
2018-05-25ConductorF
Factor: 312023645497860396839 / TF: 68-69
2016-12-11ANONYMOUSNF
no factor from 2^67 to 2^68
2014-07-27sasakiNF
no factor from 2^66 to 2^67
2014-01-11sasakiNF
no factor from 2^65 to 2^66