Factor Info

ID 21538
Size 452 digits / 1499 bits
Status composite
Value 16233787759290325383828513878893058602743060761576281493191198375169780593912176351017080040982512839897830991156872219139751734772068397098075254905579287022578703934915123650045102786493102592868341553792837135669947684343900178131771202637009058838047062969316696257678744005397688210073893922377138213613003716020259416591638632033080605449261923711182721599244205482970518190051573404116470014994301450431673646554659693779996056998159529716138239

Factorizations

Primary (ID: 6873) 221746234901611997486023 (proven prime)
(ID: 21539) 73208854105203627495982801231350396058636658341369357032758897132885142560217961286562528803043247093147969158735740456744601903167631573868012906351975996484099946720693178493464815712231568083347967933552774143773906278457128044130736654174801956699081810960317121825901661239883769988962197725298160525480209775165291980338528450484595508424542337586784982357596639900482125385280777117220624935144520092391321557205569814793 (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.