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
859003237Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19913006740656793117992270.82019-02-25 02:59:44
History
DateUserTypeResult
2019-02-25Alex_soldierF
Factor: 1991300674065679311799 / TF: 70-71
2016-11-26ramgeisNF
no factor from 2^68 to 2^70
2015-09-08sasakiNF
no factor from 2^67 to 2^68
2015-03-04sasakiNF
no factor from 2^66 to 2^67
2012-04-11David CampeauNF
no factor from 2^64 to 2^66
2010-07-26lindedNF
no factor from 2^63 to 2^64