Factor Info

ID 145964
Size 680 digits / 2256 bits
Status composite
Value 10019988917203915730686071912212274897866018363324347993857860260701848539968159404089710246587395749148689976328589832511384474593435179299775369872034054746046220311150864812931820512383106298528218427823806288731464766446737165852833516897959386905089541967826518830397900979062685194755227476607949265518606497761633805243261518152605338504850471362537603895782605861509542912993526084332690807107643800873949429299951651856346520154635828794246051037218485977866427345929817009695208897454074842582619756965615356072692843107626941761360631123184161672104761752973968954720196368494368995464796255261486307926297546207101509915582043298056373477033819510964657972754403353729

Factorizations

Primary (ID: 4391) 20431242370346923068097 (proven prime)
(ID: 145965) 490424847181418661719438639664060501259142493195458801091359465279529786238676174292688895290028405586319308550804629499357641154030648080454360822209439836028054808148227133028825443875419310157138529550013485297111816863035869058306077506264299301879156970572451120926673354018130465407205690770964846756148835005967246689904502641747673658106603273531376235748404814504134901698206688081238275052368023790903418328996835701002252511237744355295391162964783801685523425694880424586915375933198139948577708724877761584227922033482338243367920615526105434271704962497536291348658243854805271910754353903429176240564510925351992368249932006753017536384862657 (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.