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
669828877Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5189096205495672843192168.82018-03-20 18:03:09
History
DateUserTypeResult
2018-03-20ConductorF
Factor: 518909620549567284319 / TF: 68-69
2017-01-27NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-05-23sasakiNF
no factor from 2^66 to 2^67
2012-04-24laleraNF
no factor from 2^65 to 2^66
2011-07-08laleraNF
no factor from 2^64 to 2^65
2010-06-17Architects CubedNF
no factor from 2^63 to 2^64