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
802391021Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13883784203824428338472270.22020-02-21 18:25:10
History
DateUserTypeResult
2020-02-21ConductorF
Factor: 1388378420382442833847 / TF: 70-71
2016-08-23ramgeisNF
no factor from 2^68 to 2^70
2015-05-06sasakiNF
no factor from 2^67 to 2^68
2014-11-28sasakiNF
no factor from 2^66 to 2^67
2012-02-07OS1NF
no factor from 2^65 to 2^66
2012-02-07OS1NF
no factor from 2^64 to 2^65
2010-07-01Architects CubedNF
no factor from 2^63 to 2^64