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
197407627Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
115381792435609626053212373.32019-05-04 14:33:08
History
DateUserTypeResult
2019-05-04manrusF
Factor: 11538179243560962605321 / TF: 73-74
2019-04-30RealizmNF
no factor from 2^72 to 2^73
2019-04-05lobsterfordinnerNF
no factor from 2^71 to 2^72
2019-02-12Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-12-19Chabot PrimeNF
no factor from 2^69 to 2^70
2017-09-02Math_is_pureNF
no factor from 2^68 to 2^69
2016-08-07XZTNF
no factor from 2^67 to 2^68
2015-09-05rob147147NF
no factor from 2^66 to 2^67
2013-07-01OS1NF
no factor from 2^65 to 2^66
2011-04-24vapaddyNF
no factor from 2^64 to 2^65
2010-08-08ekrummeNF
no factor from 2^63 to 2^64