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
800558207Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13852569398295609973432270.22019-12-18 16:54:53
History
DateUserTypeResult
2019-12-18ConductorF
Factor: 1385256939829560997343 / TF: 70-71
2016-07-19ramgeisNF
no factor from 2^69 to 2^70
2015-07-15Bruno VictalNF
no factor from 2^68 to 2^69
2015-05-04sasakiNF
no factor from 2^67 to 2^68
2014-11-16sasakiNF
no factor from 2^66 to 2^67
2013-10-19sasakiNF
no factor from 2^65 to 2^66
2010-09-27Architects CubedNF
no factor from 2^64 to 2^65
2010-04-05Architects CubedNF
no factor from 2^63 to 2^64