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
319989937Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1699979688959645854872167.22016-12-19 05:12:41
History
DateUserTypeResult
2016-12-19SarnetskyF
Factor: 169997968895964585487 / TF: 67-68*
2016-02-26Math_is_pureNF
no factor from 2^66 to 2^67
2014-01-27ANONYMOUSNF
no factor from 2^65 to 2^66
2010-08-16GrunwalderGIMPNF
no factor from 2^64 to 2^65