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
152160209Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
25608891440859194727112271.12017-10-12 13:57:48
History
DateUserTypeResult
2018-02-10Choi4KANGNF
no factor from 2^69 to 2^70
2017-10-12yponomarevF
Factor: 2560889144085919472711 / TF: 71-72
2017-10-12bayanneNF
no factor from 2^70 to 2^71
2017-10-11Andrew BNF
no factor from 2^69 to 2^70
2017-02-288um8l3833NF
no factor from 2^68 to 2^69
2016-04-21SFPeteNF
no factor from 2^67 to 2^68
2015-03-29tscNF
no factor from 2^66 to 2^67
2013-01-21HBendtzNF
no factor from 2^65 to 2^66
2011-01-16runeskNF
no factor from 2^64 to 2^65
2010-07-191997rj7NF
no factor from 2^63 to 2^64