Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
196087601Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
166983021920857688360392373.82019-06-01 00:00:16
History
DateUserTypeResult
2019-06-01Samuel SchmidtF
Factor: 16698302192085768836039 / TF: 73-74
2019-05-29jeffp2662NF
no factor from 2^72 to 2^73
2019-03-23workerthreadNF
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
2017-08-30Doug RheaNF
no factor from 2^68 to 2^69
2016-08-16KYOJI_KAMEINF
no factor from 2^67 to 2^68
2015-09-13Jan KuipersNF
no factor from 2^66 to 2^67
2013-06-27MucolNF
no factor from 2^65 to 2^66
2011-04-22Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-08-07Architects CubedNF
no factor from 2^63 to 2^64