Factor Info

ID 153497
Size 645 digits / 2141 bits
Status composite
Value 316765959285615119760856460086746110672279166272691948074787097530647527982735892944281304770817880208437812875489054395437816428856836489884411790367576736188065555081407049481383507392860269075413712875156052766230549951957753653374168803885459524407791911283393222389007556463558373052042940252888166440780038582741814212023187420776088745233353421374559204939878217137001877126801136141595607089994213964660919855552054039756254680803844492461714857290291328950104078076972787871710203244926066277147476019159135185494630657975276737615397075996238220417659058616676469187616296435433105026576485044840356314067483632480289879522350756050721

Factorizations

Primary (ID: 152158) 10408996631932379714974509289291 (proven prime)
(ID: 187570) 30431939838836229552027887693539329139904303114134914268219980565418035810127413021039106022270083475569213715667431640058404931714486189181631113922615727455005780685812377229822392833977536511018270929997750232313752256704119839663777686446235666375731403450431570917564432771894791318960420879358763262174314574899190793301202705552725722927857797250441518154100811179628002809722469640757971158104625875008480963001190893153704965622636552748852802721207538894045722746942175569337565461189961265675656805325463312701663833527631588334267317435887209869645599896486582898449822003652513803486748040139649569731 (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.