Factor Info

ID 163867
Size 321 digits / 1066 bits
Status composite
Value 442299974055241340300993716555389849426979937863035116022992210174536023152538857943025692479888151848624212047399875479576917631403364554156876314110885137350415213944291387755791911855782808308168068206308496154057336787714641996357280866774497116250829713206866508917017575697546670363847285373285000724792660779344373

Factorizations

Primary (ID: 163868) 558399932192708727262621 (proven prime)
(ID: 163869) 792084576941889257956017517922361052051121628921678210628098010212002195981623413045681209802815324666325182889233386113226790171010606182458448493668533239536756267979368503475810733863152602857307022675399067654492874546042147020763288022571296839532731835550606647926241611923777223795490464313 (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.