Factor Info

ID 173172
Size 387 digits / 1284 bits
Status composite
Value 286313041908721246073411211895080214989072561984569696959076640708133823467473637153147900711418895223266321526347607508708301509569307849030024655115134683310359667660979442307746926877622856264682463562388940533838455905890681708063531391021267627861262113109061164021155732812550432131822383487162102100239585593542303297254844130998074800869825704553640070884967244551714800317343911

Factorizations

Primary (ID: 171636) 805236604450291766429925869094550721268109395234039031719544941648618574982157688981 (proven prime)
(ID: 173173) 355563868217562752245509573119919019753063952205940478794101900185089054676473737737564272851685391957481622529501827014069713748691200091184427518322269264846731935808609710457881242767008604109889741835030625636950572868438715202169497187849525121390510552286773585934528558607334360736130113977395531 (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.