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
164173313Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13171217343841895906412270.22018-07-22 08:00:52
History
DateUserTypeResult
2018-07-22ConductorF
Factor: 1317121734384189590641 / TF: 70-71
2018-07-21proxy2222NF
no factor from 2^69 to 2^70
2017-04-11beyondNF
no factor from 2^68 to 2^69
2016-05-24subgeniusNF
no factor from 2^67 to 2^68
2015-05-22tscNF
no factor from 2^66 to 2^67
2013-05-08Mr-PlonkNF
no factor from 2^65 to 2^66
2011-02-08runeskNF
no factor from 2^64 to 2^65
2010-07-06RichardNF
no factor from 2^63 to 2^64