Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
238349803Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4049567884099181644572168.52018-05-17 17:23:42
History
DateUserTypeResult
2018-05-17YxinityF
Factor: 404956788409918164457 / TF: 68-69
2016-10-10XolotlNF
no factor from 2^67 to 2^68
2015-11-27ANONYMOUSNF
no factor from 2^66 to 2^67
2013-10-15MucolNF
no factor from 2^65 to 2^66
2011-07-07RichardNF
no factor from 2^64 to 2^65