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
684139367Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2517575088874250909032167.82016-09-26 14:00:02
History
DateUserTypeResult
2016-09-26MonoryF
Factor: 251757508887425090903 / TF: 67-68
2014-08-04sasakiNF
no factor from 2^66 to 2^67
2014-02-04sasakiNF
no factor from 2^65 to 2^66
2012-01-31carlos56NF
no factor from 2^64 to 2^65
2010-07-10Architects CubedNF
no factor from 2^63 to 2^64