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
286872533Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1968569055911664088072167.42016-11-23 09:23:24
History
DateUserTypeResult
2016-11-23fraltF
Factor: 196856905591166408807 / TF: 67-68
2016-01-28MucolNF
no factor from 2^66 to 2^67
2013-12-17Travis Glenn RussoNF
no factor from 2^65 to 2^66
2011-09-24tscNF
no factor from 2^64 to 2^65
2010-04-12Architects CubedNF
no factor from 2^63 to 2^64
2010-04-12Architects CubedNF
no factor from 2^62 to 2^63