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
675468617Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4490070972135379391592168.62018-05-04 05:20:36
History
DateUserTypeResult
2018-05-04ConductorF
Factor: 449007097213537939159 / TF: 68-69
2016-12-24NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-13sasakiNF
no factor from 2^66 to 2^67
2014-01-02sasakiNF
no factor from 2^65 to 2^66