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
195179239Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
171336662860821133817532373.92019-04-21 18:00:51
History
DateUserTypeResult
2019-04-21vladglushko88F
Factor: 17133666286082113381753 / TF: 73-74
2019-03-15lobsterfordinnerNF
no factor from 2^72 to 2^73
2016-12-03Sergey NosovNF
no factor from 2^68 to 2^72
2016-08-25tscNF
no factor from 2^67 to 2^68
2015-09-11sky_windhNF
no factor from 2^66 to 2^67
2013-06-23Mr-PlonkNF
no factor from 2^65 to 2^66
2011-04-20tscNF
no factor from 2^64 to 2^65
2010-08-06sasaki3NF
no factor from 2^63 to 2^64