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
198771707Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
34394033249530385004172271.52020-01-20 11:05:56
History
DateUserTypeResult
2020-01-20_p95holder_F
Factor: 3439403324953038500417 / TF: 71-72
2019-02-09Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-12-27Chabot PrimeNF
no factor from 2^69 to 2^70
2017-09-12BrionHNF
no factor from 2^68 to 2^69
2016-08-16XZTNF
no factor from 2^67 to 2^68
2015-09-20ANONYMOUSNF
no factor from 2^66 to 2^67
2013-07-06-Anonymous-NF
no factor from 2^65 to 2^66
2011-04-27sasaki3NF
no factor from 2^64 to 2^65
2010-09-131997rj7NF
no factor from 2^63 to 2^64