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
686218019Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5064661906280784614332168.82018-06-28 19:57:11
History
DateUserTypeResult
2018-06-28ConductorF
Factor: 506466190628078461433 / TF: 68-69
2016-12-06NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-08-03sasakiNF
no factor from 2^66 to 2^67
2014-02-09sasakiNF
no factor from 2^65 to 2^66
2012-02-01sasaki3NF
no factor from 2^64 to 2^65
2010-07-14Architects CubedNF
no factor from 2^63 to 2^64