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
675623077Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4496467474075926919212168.62018-05-04 20:50:34
History
DateUserTypeResult
2018-05-04ConductorF
Factor: 449646747407592691921 / TF: 68-69
2014-08-16sasakiNF
no factor from 2^67 to 2^68
2014-07-15sasakiNF
no factor from 2^66 to 2^67
2014-01-05sasakiNF
no factor from 2^65 to 2^66