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
400048787Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7728630379512179553832169.42016-11-06 17:13:33
History
DateUserTypeResult
2016-11-06ConductorF
Factor: 772863037951217955383 / TF: 69-70
2016-10-13Adam BuranNF
no factor from 2^68 to 2^69
2013-10-19The MawnNF
no factor from 2^66 to 2^68
2012-03-31c10ck3rNF
no factor from 2^65 to 2^66