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
153859421Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
32404882579783189353112271.52017-08-24 21:58:00
History
DateUserTypeResult
2017-08-24Sergey NosovF
Factor: 3240488257978318935311 / TF: 71-72*
2017-08-21Jens PedersenNF
no factor from 2^70 to 2^71
2017-06-12La GüiraNF
no factor from 2^69 to 2^70
2017-02-28XolotlNF
no factor from 2^68 to 2^69
2016-05-02SADMASTERNF
no factor from 2^67 to 2^68
2015-04-05sasakiNF
no factor from 2^66 to 2^67
2013-01-28sasaki3NF
no factor from 2^65 to 2^66
2011-01-23RichardNF
no factor from 2^64 to 2^65
2010-06-25OS1NF
no factor from 2^63 to 2^64