Factor Info

ID 28431
Size 663 digits / 2202 bits
Status composite
Value 671544763440084988891923716334937226907569725275972366873201314826156828075975682088876226749339446701958398098396632294257124764905508165009748562200877823024872643550019292899698683526970545360414840755443478283447305508395024922625190044990502166609516998477101566520340407373107746096069401714409486990670401783289436320907353960799414540272447327234504712663653293456532395056361290662247122790299866838270901802761145129104196911400827519198748070272363936518974921423200457995023569113962827385859197624791475078407755330420530672531523644912566275417719042355769565361943054144441792664068500011872812979677360697909099603905857072228840811535583619868983

Factorizations

Primary (ID: 2148) 1900381976777332243781 (proven prime)
(ID: 28432) 353373569969807122004819175238871618472961045089277666783631079145061533609082495835676767827154574158212570306589613608015300040415224385613643710762723515101674377626018544489515293241983394413918448458768980287698862492388061476844798376585827221210979171320651849460396113654011313866694185272178279609247533455442881564641862635236925370807948861645442372481487291470273295148184149944508143780750741447125031792549504370878504985497911523382529513272970772056534559576807180271853631738112783630641165663605204719881108626008930809140765858378355239698249845870370919205555657538848257014050293335691017529553453832343813945661125754443 (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.