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
478782287Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4199683847723946614472168.52017-12-05 06:27:40
History
DateUserTypeResult
2017-12-05ky0urakuF
Factor: 419968384772394661447 / TF: 68-69
2016-06-14sasakiNF
no factor from 2^67 to 2^68
2016-04-10monstNF
no factor from 2^66 to 2^67
2014-10-10subgeniusNF
no factor from 2^65 to 2^66