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
171731143Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15598786573294004288472270.42018-03-05 11:19:36
History
DateUserTypeResult
2018-03-05Daniil TsarkovF
Factor: 1559878657329400428847 / TF: 70-71
2016-10-22Mihai PredaNF
no factor from 2^69 to 2^70
2016-09-10Adam BuranNF
no factor from 2^68 to 2^69
2016-04-24XZTNF
no factor from 2^67 to 2^68
2015-06-19tscNF
no factor from 2^66 to 2^67
2013-04-12GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-02-26oodairaNF
no factor from 2^64 to 2^65
2010-09-05Architects CubedNF
no factor from 2^63 to 2^64