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
198347689Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
44271051855345761696892271.92019-06-01 20:00:19
History
DateUserTypeResult
2019-06-01Samuel SchmidtF
Factor: 4427105185534576169689 / TF: 71-72
2019-02-15Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-12-25Chabot PrimeNF
no factor from 2^69 to 2^70
2017-09-10-Anonymous-NF
no factor from 2^68 to 2^69
2016-08-14XZTNF
no factor from 2^67 to 2^68
2015-09-14rob147147NF
no factor from 2^66 to 2^67
2013-07-05MucolNF
no factor from 2^65 to 2^66
2011-04-26DerekNF
no factor from 2^64 to 2^65
2010-08-291997rj7NF
no factor from 2^63 to 2^64