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
147520843Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42265829901908448237912271.82016-12-10 01:41:19
History
DateUserTypeResult
2016-12-10Sergey NosovF
Factor: 4226582990190844823791 / TF: 68-72*
2016-03-19DerekNF
no factor from 2^67 to 2^68
2015-03-10tscNF
no factor from 2^66 to 2^67
2013-01-01firereddNF
no factor from 2^65 to 2^66
2011-01-04Nathan EdingtonNF
no factor from 2^64 to 2^65