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
207159133Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1027786515768445642872166.52015-10-12 06:18:36
History
DateUserTypeResult
2015-10-12ConductorF
Factor: 102778651576844564287 / TF: 66-67
2013-09-20riccardo ubertiNF
no factor from 2^65 to 2^66
2011-05-10sannerud.comNF
no factor from 2^64 to 2^65