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
190756967Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1276155567503086255992166.82015-08-29 14:55:08
History
DateUserTypeResult
2015-08-29demfloroF
Factor: 127615556750308625599 / TF: 66-68
2013-06-09RichardNF
no factor from 2^65 to 2^66
2011-04-11dslNF
no factor from 2^64 to 2^65
2010-08-03sasaki3NF
no factor from 2^63 to 2^64