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
916223173Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1228332174150162563032166.72015-11-14 09:54:43
History
DateUserTypeResult
2015-11-14Alex_soldierF
Factor: 122833217415016256303 / TF: 66-67
2013-05-24ramgeisNF
no factor from 2^65 to 2^66
2011-10-02lindedNF
no factor from 2^64 to 2^65
2010-07-20HBendtzNF
no factor from 2^63 to 2^64