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
477755449Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3198814959526896670492168.12017-12-31 08:07:27
History
DateUserTypeResult
2017-12-31ky0urakuF
Factor: 319881495952689667049 / TF: 68-69
2016-06-14sasakiNF
no factor from 2^67 to 2^68
2016-04-02sasakiNF
no factor from 2^66 to 2^67
2014-10-13GrunwalderGIMPNF
no factor from 2^65 to 2^66