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
196685773Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
83961506119103130979912272.82019-04-08 03:24:35
History
DateUserTypeResult
2019-04-08Smok_bmv F
Factor: 8396150611910313097991 / TF: 72-73
2019-03-20lobsterfordinnerNF
no factor from 2^71 to 2^72
2019-01-31Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-12-18Chabot PrimeNF
no factor from 2^69 to 2^70
2017-09-05el groccoNF
no factor from 2^68 to 2^69
2016-01-28laleraNF
no factor from 2^67 to 2^68
2015-09-20RichardNF
no factor from 2^66 to 2^67
2013-06-28tscNF
no factor from 2^65 to 2^66
2011-04-24alan145NF
no factor from 2^64 to 2^65
2010-08-08Architects CubedNF
no factor from 2^63 to 2^64