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
175948433Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20812818616164342699432270.82016-10-24 17:16:50
History
DateUserTypeResult
2016-10-24Sergey NosovF
Factor: 2081281861616434269943 / TF: 69-72*
2016-10-19XolotlNF
no factor from 2^68 to 2^69
2016-06-17mikeblasNF
no factor from 2^67 to 2^68
2015-07-04vwflat4NF
no factor from 2^66 to 2^67
2013-04-17gucsNF
no factor from 2^65 to 2^66
2011-03-10RichardNF
no factor from 2^64 to 2^65
2010-07-16Torchwood InstituteNF
no factor from 2^63 to 2^64