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
678939799Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4914590271539644191532168.72018-05-26 05:49:14
History
DateUserTypeResult
2018-05-26ConductorF
Factor: 491459027153964419153 / TF: 68-69
2016-10-23ANONYMOUSNF
no factor from 2^67 to 2^68
2014-07-17sasakiNF
no factor from 2^66 to 2^67
2014-01-12sasakiNF
no factor from 2^65 to 2^66
2012-01-28D5 Fujitsu SiemensNF
no factor from 2^64 to 2^65