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
800170901Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
22185384155510125178172270.92019-11-10 15:26:32
History
DateUserTypeResult
2019-11-10ConductorF
Factor: 2218538415551012517817 / TF: 70-71
2016-08-11ramgeisNF
no factor from 2^68 to 2^70
2015-09-11sasakiNF
no factor from 2^67 to 2^68
2014-11-17sasakiNF
no factor from 2^66 to 2^67
2013-10-28america64NF
no factor from 2^65 to 2^66
2010-09-25Architects CubedNF
no factor from 2^64 to 2^65
2010-04-04Architects CubedNF
no factor from 2^63 to 2^64