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
687830513Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3925424611829407371112168.42018-07-06 14:31:57
History
DateUserTypeResult
2018-07-06ConductorF
Factor: 392542461182940737111 / TF: 68-69
2016-11-08NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-11sasakiNF
no factor from 2^66 to 2^67
2014-02-11america64NF
no factor from 2^65 to 2^66
2012-02-03HBendtzNF
no factor from 2^64 to 2^65
2010-07-14Architects CubedNF
no factor from 2^63 to 2^64