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
207680219Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5127435484962767994732168.82015-10-09 10:55:12
History
DateUserTypeResult
2015-10-09demfloroF
Factor: 512743548496276799473 / TF: 68-69
2015-10-09demfloroNF
no factor from 2^66 to 2^68
2013-08-04tscNF
no factor from 2^65 to 2^66
2011-05-11sasaki3NF
no factor from 2^64 to 2^65