Factor Info

ID 43344
Size 291 digits / 965 bits
Status composite
Value 272545166218750954972180334988079428046424423622912837902513909422263550113685513520051508118508857660230584354725900423793716469794596887031282448220759626522224901894424966461399452639901835974201447968207655835603281901689961156223387523642243715280822215872854404942860111593229880610001

Factorizations

Primary (ID: 4) 158414167964045700001 (proven prime)
(ID: 43345) 1720459537941132092020056697367214152641665199629554894590698161348903679636039264666280676185880506037530097413794379169424881361318992123173787115769013340369561838195591762474589114448692263493436237995335228499672624419176985279991685977705427238989411429878834910001 (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.