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
128004451Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
50690145167766872838012272.12019-05-28 17:29:57
History
DateUserTypeResult
2019-05-28ConductorF
Factor: 5069014516776687283801 / TF: 72-73
2016-06-24Mihai PredaNF
no factor from 2^71 to 2^72
2016-05-06Mihai PredaNF
no factor from 2^70 to 2^71
2015-01-21La GüiraNF
no factor from 2^69 to 2^70
2015-01-21La GüiraNF
no factor from 2^68 to 2^69
2015-01-21La GüiraNF
no factor from 2^67 to 2^68
2015-01-11tscNF
no factor from 2^66 to 2^67
2012-09-27Mr-PlonkNF
no factor from 2^65 to 2^66
2010-11-06Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-28Torchwood InstituteNF
no factor from 2^63 to 2^64