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
123749531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
32567321152727482466572271.52015-08-19 23:51:20
History
DateUserTypeResult
2015-08-19demfloroF
Factor: 3256732115272748246657 / TF: 71-72
2015-08-19AirSquirrelsNF
no factor from 2^70 to 2^71
2015-06-20Judge HaleNF
no factor from 2^69 to 2^70
2015-06-20Judge HaleNF
no factor from 2^68 to 2^69
2015-06-20Judge HaleNF
no factor from 2^67 to 2^68
2014-11-18sasakiNF
no factor from 2^66 to 2^67
2012-08-29Mr-PlonkNF
no factor from 2^65 to 2^66
2010-10-27Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-22subgeniusNF
no factor from 2^63 to 2^64