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
185462171Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
59399199916471226747772272.32019-06-09 16:00:35
History
DateUserTypeResult
2019-06-09Samuel SchmidtF
Factor: 5939919991647122674777 / TF: 72-73
2019-06-06Andrew BNF
no factor from 2^71 to 2^72
2019-06-05Samuel SchmidtNF
no factor from 2^70 to 2^71
2018-10-26Chabot PrimeNF
no factor from 2^69 to 2^70
2017-06-29Andrew BNF
no factor from 2^68 to 2^69
2016-08-08garoNF
no factor from 2^67 to 2^68
2015-08-18vwflat4NF
no factor from 2^66 to 2^67
2013-05-19Lukin DmitryNF
no factor from 2^65 to 2^66
2011-04-02RichardNF
no factor from 2^64 to 2^65
2010-07-28Lars FrickeNF
no factor from 2^63 to 2^64