Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
169939283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42782231024428348851612271.92018-06-15 07:12:55
History
DateUserTypeResult
2018-06-15Daniil TsarkovF
Factor: 4278223102442834885161 / TF: 71-72
2018-03-10RobertNNF
no factor from 2^70 to 2^71
2015-08-09La GüiraNF
no factor from 2^69 to 2^70
2015-08-09La GüiraNF
no factor from 2^68 to 2^69
2015-08-09La GüiraNF
no factor from 2^67 to 2^68
2015-06-19RichardNF
no factor from 2^66 to 2^67
2013-03-28sasaki3NF
no factor from 2^65 to 2^66
2011-02-21sasaki3NF
no factor from 2^64 to 2^65
2010-07-09RichardNF
no factor from 2^63 to 2^64