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
170992963Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21766536196638689296572270.92016-11-04 17:24:51
History
DateUserTypeResult
2016-11-04Sergey NosovF
Factor: 2176653619663868929657 / TF: 69-72*
2016-10-22Mihai PredaNF
no factor from 2^68 to 2^69
2016-04-15XZTNF
no factor from 2^67 to 2^68
2015-06-16tscNF
no factor from 2^66 to 2^67
2013-03-31Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-23Sergej LevinNF
no factor from 2^64 to 2^65
2010-07-11Torchwood InstituteNF
no factor from 2^63 to 2^64