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
308718229Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1811883051320974707592167.32016-12-09 00:20:23
History
DateUserTypeResult
2016-12-09demfloroF
Factor: 181188305132097470759 / TF: 67-68
2016-02-18NapthusNF
no factor from 2^66 to 2^67
2014-07-22GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-10-22RichardNF
no factor from 2^64 to 2^65