Factor Info

ID 140193
Size 670 digits / 2223 bits
Status composite
Value 1428743602241762496210498951524675696037552097112316750044479123391372936341492175879307899346667262985327313548890190417702029237359796942754038255280651176851486197213646179369968420847520807436459971021648646083763991469702523327733694674566937165143024322148306136539954601377496976355108493362486916231416255689967297261403349696713242485435835715024546596476492799921762991313462894276111580266727053656715809241571662270203958431360885150725915259664380483896286239015493844680860216708187036435994009645277666767328561907312150002745837086844264083740774634648127300459883379756304418736302187450724722710521053536938374649308076106945354651489906146930829071309

Factorizations

Primary (ID: 173882) 2987867610342043197138722580587912270968838664548377579 (proven prime)
(ID: 175081) 478181696302870561254167290757262311786877085713647946280039107084606745966591920659585110370601513233047943638557261107116634530937894061330103509297431820425764341831456874916771700555915493437975066556342635003571765488181326535104813193689901597018169844662947456526181506857832000596107831097527548403633168292078390462334044326585683238550918970145310195150957025164587569482074265905454219956038821752560410744285205146619908331020063442855341108253984369692743163616239944024286465311542328959079479453629743263396089842172268573646114467093707251048567508383686904556500143955242585469766795135261451800871 (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.