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
861983557Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
27056251943851437515772271.22020-02-08 21:19:00
History
DateUserTypeResult
2020-02-08Alex_soldierF
Factor: 2705625194385143751577 / TF: 71-72
2019-04-20srow7NF
no factor from 2^70 to 2^71
2017-01-18ramgeisNF
no factor from 2^68 to 2^70
2015-10-02sasakiNF
no factor from 2^67 to 2^68
2015-03-08sasakiNF
no factor from 2^66 to 2^67
2013-05-02america64NF
no factor from 2^65 to 2^66
2010-10-15Architects CubedNF
no factor from 2^64 to 2^65
2010-04-15Architects CubedNF
no factor from 2^63 to 2^64