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
563003887Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2135741569609762282332167.52016-11-09 16:40:08
History
DateUserTypeResult
2016-11-09ConductorF
Factor: 213574156960976228233 / TF: 67-68
2015-11-04sasakiNF
no factor from 2^66 to 2^67
2014-05-25sasakiNF
no factor from 2^65 to 2^66
2012-01-07RichardNF
no factor from 2^64 to 2^65
2010-03-06Architects CubedNF
no factor from 2^63 to 2^64