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
200784169Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4318151167708197717612168.52016-11-17 00:08:03
History
DateUserTypeResult
2025-03-28James HeinrichF
Factor: 431815116770819771761 / TF: 68-70
2016-11-17Alex_soldierF
Factor: 431815116770819771761 / TF: 68-69*
2016-03-12america64NF
no factor from 2^67 to 2^68
2015-09-23Simon WendelNF
no factor from 2^66 to 2^67
2013-07-13sasaki3NF
no factor from 2^65 to 2^66
2011-05-03Tomas BabejNF
no factor from 2^64 to 2^65
2010-05-24Architects CubedNF
no factor from 2^63 to 2^64