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
165965183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18514475773299987346092270.62018-07-21 12:19:12
History
DateUserTypeResult
2018-07-21Andrew GF
Factor: 1851447577329998734609 / TF: 70-71
2018-01-20xx005fsNF
no factor from 2^69 to 2^70
2017-04-17Andrew BNF
no factor from 2^68 to 2^69
2016-05-31James HintzNF
no factor from 2^67 to 2^68
2015-05-27tscNF
no factor from 2^66 to 2^67
2013-03-15Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-11MattNF
no factor from 2^64 to 2^65
2010-07-05sasaki3NF
no factor from 2^63 to 2^64