Factor Info

ID 15868
Size 324 digits / 1076 bits
Status composite
Value 588141975466747157734740826596674651539351977653373680932503126727336727941317909476670413994857159219307579494253842665963902740913826952566103249673570819930002546049045967521941798915775670064957109354624037030756317405638379805071739126070501040476317717524769606579415905911360911161040461337275084880323843345397552281

Factorizations

Primary (ID: 3083) 29728307155963706810228435378401 (proven prime)
(ID: 15869) 19783904020540966275455578456460429215466234604690797492804196047591234437338346457701918176920368818956178455702106118817977600901206726002872059954783847130257378937628800455578294645430983088792126907044160312142602451863511823223644768122351119911022270174702709889561302096524980098781881 (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.