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
171806287Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18981500333270409536392270.72018-06-19 09:51:32
History
DateUserTypeResult
2018-06-19Daniil TsarkovF
Factor: 1898150033327040953639 / TF: 70-71
2016-10-22Mihai PredaNF
no factor from 2^69 to 2^70
2016-08-10Adam BuranNF
no factor from 2^68 to 2^69
2016-04-28XZTNF
no factor from 2^67 to 2^68
2015-06-23Norbert PfannererNF
no factor from 2^66 to 2^67
2013-04-03sasaki3NF
no factor from 2^65 to 2^66
2011-02-26Mr-PlonkNF
no factor from 2^64 to 2^65
2010-07-11sasaki3NF
no factor from 2^63 to 2^64