Factor Info

ID 128388
Size 730 digits / 2423 bits
Status composite
Value 2278040950292667202911177801087670679638238690666811838659382580338105707799206240244203811384597005021866365115965639090020172750989810489545663903612566380049795660801326279149919904324233535472659619664851452594356509889002600462797894792003365389469190299042152988048000991061360310168406527393159767395221949876238011918169645298507264231364430371614297186839416047257861997381500481148779560617219711013494916131974869306513409508165784515627808737496403336854807287216243571379166771814004968363695008039419987848794713875829210931570540867060693721374964851068411936770318308695312911741059475965603915927801721881760428572898410213985432691566063898616524129191397468823505223689537246466708082164298351576975313128464997

Factorizations

Primary (ID: 9374) 1577321592017158109450513522899099388393094597641506814552471341884857815320857 (proven prime)
(ID: 128389) 1444246348887796538819875895500436100769258853260369352683396792139440876631459993255083273416728504654838786424945052543523521317927545640792621773203706620805358757326700309645937176686176528368536926832603711663600781920530198457792032047705010422133610123423234877919367709977585432757802397979347632666037470826196899735826943526346023398073463979885325409723486679328709152225358064161135619530493156803054580793426139686046791026755973017423332753468257691144631680476190977126797590564698608311362478299462991485024941463967849331831230247612958110550309064996093111848896612523912078527895214914764267907093015754337166701840024651476058911021 (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.