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
694426483Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5205808155829776577692168.82017-07-03 11:57:45
History
DateUserTypeResult
2017-07-03ConductorF
Factor: 520580815582977657769 / TF: 68-69
2014-08-27sasakiNF
no factor from 2^66 to 2^68
2013-12-06sasakiNF
no factor from 2^65 to 2^66