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
254391271Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4774003026859901032092168.72018-06-15 03:55:01
History
DateUserTypeResult
2018-06-15YxinityF
Factor: 477400302685990103209 / TF: 68-69
2015-08-03caddrNF
no factor from 2^66 to 2^68
2013-11-19Yan Ruimin ChinaNF
no factor from 2^65 to 2^66
2011-07-31sasaki3NF
no factor from 2^64 to 2^65
2010-03-07ThaNF
no factor from 2^63 to 2^64
2010-03-07ThaNF
no factor from 2^62 to 2^63