Factor Info

ID 118728
Size 499 digits / 1655 bits
Status composite
Value 1506057500517077603349174509959885340825571302674814125524565717384774736252409034341918117943070876977890912346952266606443007157396637934394690147085080873166298813750038397991203557928274406066293788029804082003262496393841647662267723364163895130039285336403555937561769132605480166510547006945071610461014724766945360718631570437196932015370418384674363376105505981025124255128295287428075101143004396195502053544502671289872817034943016259191593909133613520430182159120836103888384624355398653

Factorizations

Primary (ID: 166) 20511004284187109877126452996177685582573434310785829998805054825748557857369 (proven prime)
(ID: 118729) 73426804443611159210264554450257248761037031012139752513602655807462708241891793633795818964295419826078672597131118127190024380295323162869871716710717160100707480397534194395299035560818618141459240717061381090580624762742482828898989397727139723226976314093328002072403765524414058885846716552169813916268183042959742408664443934285872493693658259281125862923007311341791963613174842068691970601935624979763354310804037 (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.