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
138993109Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
56639196253940486676892272.32020-05-27 03:43:57
History
DateUserTypeResult
2020-05-27Alex_soldierF
Factor: 5663919625394048667689 / TF: 72-73
2017-06-15Vasily VoroninNF
no factor from 2^71 to 2^72
2017-05-14glennpatNF
no factor from 2^71 to 2^72
2017-01-10proxy2222NF
no factor from 2^70 to 2^71
2017-01-10proxy2222NF
no factor from 2^69 to 2^70
2017-01-10proxy2222NF
no factor from 2^68 to 2^69
2016-03-10dbaughNF
no factor from 2^67 to 2^68
2015-01-31el groccoNF
no factor from 2^66 to 2^67
2012-11-21carlos56NF
no factor from 2^65 to 2^66
2010-12-05sasaki3NF
no factor from 2^64 to 2^65