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
556889653Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3293324790889300868812168.22018-05-27 06:30:53
History
DateUserTypeResult
2018-05-27YxinityF
Factor: 329332479088930086881 / TF: 68-70
2016-11-15sasakiNF
no factor from 2^67 to 2^68
2015-12-12sasakiNF
no factor from 2^66 to 2^67
2014-10-15sasakiNF
no factor from 2^65 to 2^66
2011-11-05Architects CubedNF
no factor from 2^64 to 2^65