Factor Info

ID 164585
Size 741 digits / 2461 bits
Status composite
Value 420440320434135942406109279184990167737889945040908805201204008371170124090940960113713983170819939646532819562553672049242649196858925517143348168349132077477117148835362931269056778575003433878935939706886994366562444617096595958570753176734826895588996256259817521441708703879283059119185085413030059621258866543734860469150716906186030631309254799323337916303426253446738276022540731000130329544692084914910551984281988754340551105377760435917780867856935720543445059757882558323100031417429345271165023487707389990132676609804883915531502530008778775403816066120661733913493000013717080695595220575406214157857469963426799642029123417823877154643631721784126200079982667351165846352042761656307747744891540877640306101259216007456104443

Factorizations

Primary (ID: 165264) 381777752483115512100478241 (proven prime)
(ID: 196259) 1101269829631390895462482161882923931485324416453816655842133083884467036157826748208696838591732431738837646024176601368921120345961880970693574282971543322573244711138620065630684053995373341872602918581670681149679754852576709796703900187265716118211488775038394176629610474190093209485629875632093564995382589969579469685693081513367887024987065036088671620285316792461852578872240131099673532823174386991752364593385417899919752320690540157406373988540697831575235723695076160750898956155049125583329820416484734625273610817524594117352032372354218221817319239646130828299417891553196186855104742874751658412995276376322602718688300141204765367784451145332235950698125981137359535322672618282197897852642368923 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.