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
207067603Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
872746373380311245592066.22015-10-03 18:04:06
History
DateUserTypeResult
2015-10-03ConductorF
Factor: 87274637338031124559 / TF: 66-67
2013-08-05RichardNF
no factor from 2^65 to 2^66
2011-05-12RichardNF
no factor from 2^64 to 2^65