Factor Info

ID 128412
Size 684 digits / 2270 bits
Status composite
Value 197782739528448151399378167424708963023373807995135631673097080063819517958949137573573834754922440355048734650388126288337802202831256950111425074903876602541456303571372838718053973088150957261399517633395585525447945424488881477063174452348488109840096977726430565153043969509608008983370491452849462071153799034651642240421591346115901672812843513459516483284135855902395084044486051161877448658038283375701122065966407359513228243198195870149418446829736526251184471981206946847583264214430326446882421599190350790583003189807803907600141823840178143147078698332779748834718107098268781032963308944316936411294852626195310957177703792397890635751643745720178521583188563030881307

Factorizations

Primary (ID: 9248) 375349865274017290301682245798655940484521 (proven prime)
(ID: 128414) 526929027626160161448193126292853710756922325114117470965657377299208237806652424634720739665104580333658058596353732321427703465616962830109926072899179568886002238298138929546459681451845893968577327816933807796448844044388498325650215700430612913911830542646908802405611893605599054807062282899894974019797404022875083203759609710549122287557391398816352742902340547692887388833070338831741016811266205075726942919655075356847017384119239612228522448418676048375128297928809192553688253120324376293793099018127415498928186104038692687183454099502556077528540500565880786277426841618746926058107727040803140710544117176334241465177651410467 (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.