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
687909263Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4146933415315352036172168.52018-07-06 14:32:25
History
DateUserTypeResult
2018-07-06ConductorF
Factor: 414693341531535203617 / TF: 68-69
2016-11-06NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-12sasakiNF
no factor from 2^66 to 2^67
2014-02-24america64NF
no factor from 2^65 to 2^66