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
855980513Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
30196599447273101902812271.42020-01-18 23:06:37
History
DateUserTypeResult
2020-01-18Alex_soldierF
Factor: 3019659944727310190281 / TF: 71-72
2019-03-08srow7NF
no factor from 2^70 to 2^71
2017-01-18ramgeisNF
no factor from 2^68 to 2^70
2015-09-02sasakiNF
no factor from 2^67 to 2^68
2015-02-25sasakiNF
no factor from 2^66 to 2^67
2013-08-13america64NF
no factor from 2^65 to 2^66
2010-09-30Architects CubedNF
no factor from 2^64 to 2^65
2010-04-08Architects CubedNF
no factor from 2^63 to 2^64