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
661886609Factored
FactorDigitsBitsDate
4995162899644896335512168.82018-02-17 15:07:37
History
DateUserTypeResult
2018-02-17ConductorF
Factor: 499516289964489633551 / TF: 68-69
2017-02-04sasakiNF
no factor from 2^67 to 2^68
2014-04-04sasakiNF
no factor from 2^66 to 2^67
2013-12-19sasakiNF
no factor from 2^65 to 2^66
2012-01-23sasaki3NF
no factor from 2^64 to 2^65
2010-06-06Architects CubedNF
no factor from 2^63 to 2^64