Factor Info

ID 161646
Size 447 digits / 1485 bits
Status composite
Value 805019353162503479301624886989128612748006867007436862381410998308356214003702752843820610867701027072756531059387673719380000224639888582996206114331772066831489756468023920003099923852955093917289738917550619678284002420793197973568425850451762245192428168360983161915462899202911204363952062453648145443703619890941519306098058592609040870420913716017061384658043077201422319799549504023035650170824793859633184274935705670574393088886428925779

Factorizations

Primary (ID: 160967) 1391089682887364579894221 (proven prime)
(ID: 161647) 578696947483353057902985170857713326764178896002404937165770266773184565034021932368069813090493584692546261043212347364238709594460249843049172043137753907639660896875997321573493590562346745573779285448831027583835349857326182960689688342533696361776273388843038043403384385603309341236045498310568599114275410276896715352907678093019185353966966346497198277890536455959774912786031574791804934427333244162109609916419999 (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.