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
849994931Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
40998578133751389706972271.82019-10-02 13:54:50
History
DateUserTypeResult
2019-10-02Daniil TsarkovF
Factor: 4099857813375138970697 / TF: 71-72
2019-10-02Daniil TsarkovNF
no factor from 2^70 to 2^71
2017-01-08ramgeisNF
no factor from 2^68 to 2^70
2015-09-19sasakiNF
no factor from 2^67 to 2^68
2013-09-11-Anonymous-NF
no factor from 2^66 to 2^67
2013-09-11Le ComteNF
no factor from 2^66 to 2^67
2012-04-06sasaki3NF
no factor from 2^65 to 2^66
2012-04-06sasaki3NF
no factor from 2^64 to 2^65
2010-04-02Architects CubedNF
no factor from 2^63 to 2^64