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
414005569Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5282720254940639916172168.82016-12-13 18:47:59
History
DateUserTypeResult
2016-12-13ConductorF
Factor: 528272025494063991617 / TF: 68-69
2014-12-03sasakiNF
no factor from 2^66 to 2^68
2014-06-22RichardNF
no factor from 2^65 to 2^66