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
154487831Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
67319697646070196237912272.52017-07-30 17:26:42
History
DateUserTypeResult
2017-07-30d3zorgF
Factor: 6731969764607019623791 / TF: 72-73
2017-07-26Andrew BNF
no factor from 2^71 to 2^72
2017-07-07Damian SilvestreNF
no factor from 2^70 to 2^71
2017-07-04La GüiraNF
no factor from 2^69 to 2^70
2016-07-26Choi4KANGNF
no factor from 2^68 to 2^69
2016-04-28SummyNF
no factor from 2^67 to 2^68
2015-04-07guruNF
no factor from 2^66 to 2^67
2013-01-31Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-21sasaki3NF
no factor from 2^64 to 2^65
2010-06-25Torchwood InstituteNF
no factor from 2^63 to 2^64