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
175738477Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
39129234234173773133932271.72019-04-12 18:50:37
History
DateUserTypeResult
2019-04-12manrusF
Factor: 3912923423417377313393 / TF: 71-72
2018-04-17ZenghuiNF
no factor from 2^70 to 2^71
2018-04-06ZenghuiNF
no factor from 2^69 to 2^70
2017-05-14tmorrowNF
no factor from 2^68 to 2^69
2016-06-17ANONYMOUSNF
no factor from 2^67 to 2^68
2015-07-03Jan KuipersNF
no factor from 2^66 to 2^67
2013-04-16OS1NF
no factor from 2^65 to 2^66
2011-03-08tscNF
no factor from 2^64 to 2^65
2010-07-16Luigi MorelliNF
no factor from 2^63 to 2^64