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
687074491Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4050348719056062824472168.52018-07-03 18:56:47
History
DateUserTypeResult
2018-07-03ConductorF
Factor: 405034871905606282447 / TF: 68-69
2016-11-29NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-12sasakiNF
no factor from 2^66 to 2^67
2014-02-23america64NF
no factor from 2^65 to 2^66
2012-02-02tscNF
no factor from 2^64 to 2^65