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
196043899Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
178026849194629421338012373.92019-03-31 05:09:53
History
DateUserTypeResult
2019-03-31Smok_bmv F
Factor: 17802684919462942133801 / TF: 73-74*
2019-03-14JMGarciaNF
no factor from 2^72 to 2^73
2019-03-12lobsterfordinnerNF
no factor from 2^71 to 2^72
2019-02-02Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-12-14Chabot PrimeNF
no factor from 2^69 to 2^70
2017-09-01ANONYMOUSNF
no factor from 2^68 to 2^69
2016-08-16tmorrowNF
no factor from 2^67 to 2^68
2015-09-20RichardNF
no factor from 2^66 to 2^67
2013-06-26OS1NF
no factor from 2^65 to 2^66
2011-04-22tscNF
no factor from 2^64 to 2^65
2010-08-07CorranNF
no factor from 2^63 to 2^64