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
556849901Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3748470035042565571512168.32018-05-27 06:30:58
History
DateUserTypeResult
2018-05-27YxinityF
Factor: 374847003504256557151 / TF: 68-70
2016-11-15sasakiNF
no factor from 2^67 to 2^68
2015-12-03sasakiNF
no factor from 2^66 to 2^67
2014-10-15sasakiNF
no factor from 2^65 to 2^66
2011-04-24Architects CubedNF
no factor from 2^64 to 2^65