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
155061649Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18573677296702242431512270.72017-08-28 22:41:13
History
DateUserTypeResult
2017-08-28Sergey NosovF
Factor: 1857367729670224243151 / TF: 70-72*
2017-08-04ITSNF
no factor from 2^69 to 2^70
2017-01-12TheGazManNF
no factor from 2^68 to 2^69
2016-05-02NikoNF
no factor from 2^67 to 2^68
2015-04-10Jan KuipersNF
no factor from 2^66 to 2^67
2013-02-02sasaki3NF
no factor from 2^65 to 2^66
2011-01-22debrouxlNF
no factor from 2^64 to 2^65
2010-06-26subgeniusNF
no factor from 2^63 to 2^64