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
800120203Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13805382569371124163372270.22019-11-06 20:22:22
History
DateUserTypeResult
2019-11-06ConductorF
Factor: 1380538256937112416337 / TF: 70-71
2016-08-11ramgeisNF
no factor from 2^68 to 2^70
2015-05-08sasakiNF
no factor from 2^67 to 2^68
2014-11-09sasakiNF
no factor from 2^66 to 2^67
2013-10-28america64NF
no factor from 2^65 to 2^66
2010-09-26Architects CubedNF
no factor from 2^64 to 2^65
2010-04-04Architects CubedNF
no factor from 2^63 to 2^64