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
470985013Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5208199783057848038872168.82018-05-10 15:54:33
History
DateUserTypeResult
2018-05-10YxinityF
Factor: 520819978305784803887 / TF: 68-70
2016-06-04sasakiNF
no factor from 2^67 to 2^68
2016-03-03ConductorNF
no factor from 2^66 to 2^67
2014-10-03RichardNF
no factor from 2^65 to 2^66