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
677660567Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5093077644784771128172168.82018-05-17 10:24:09
History
DateUserTypeResult
2018-05-17ConductorF
Factor: 509307764478477112817 / TF: 68-69
2016-12-15NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-23sasakiNF
no factor from 2^66 to 2^67
2014-01-09sasakiNF
no factor from 2^65 to 2^66