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
192976769Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1267127897661386411512166.82015-09-07 11:55:43
History
DateUserTypeResult
2015-09-07demfloroF
Factor: 126712789766138641151 / TF: 66-68
2013-06-14KayJongsmaNF
no factor from 2^65 to 2^66
2011-04-17RichardNF
no factor from 2^64 to 2^65
2010-08-04Torchwood InstituteNF
no factor from 2^63 to 2^64