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
694888487Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5316382020587436303772168.82017-07-06 17:05:11
History
DateUserTypeResult
2017-07-06ConductorF
Factor: 531638202058743630377 / TF: 68-69
2014-09-12sasakiNF
no factor from 2^66 to 2^68
2013-12-07sasakiNF
no factor from 2^65 to 2^66