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
678104773Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4405587004832371855272168.62018-05-21 12:38:44
History
DateUserTypeResult
2018-05-21ConductorF
Factor: 440558700483237185527 / TF: 68-69
2016-11-28ANONYMOUSNF
no factor from 2^67 to 2^68
2014-07-20sasakiNF
no factor from 2^66 to 2^67
2014-01-10sasakiNF
no factor from 2^65 to 2^66
2012-01-27Mr-PlonkNF
no factor from 2^64 to 2^65