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
175665173Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3211001917708446402892168.12016-10-24 17:17:36
History
DateUserTypeResult
2016-10-24Sergey NosovF
Factor: 321100191770844640289 / TF: 68-72*
2016-06-18VteamNF
no factor from 2^67 to 2^68
2015-07-03SummyNF
no factor from 2^66 to 2^67
2013-04-16KayJongsmaNF
no factor from 2^65 to 2^66
2011-03-07Mr-PlonkNF
no factor from 2^64 to 2^65
2010-07-16Mr-PlonkNF
no factor from 2^63 to 2^64