Factor Info

ID 137568
Size 644 digits / 2140 bits
Status composite
Value 81091945964057981949850108663335264562901985690173718998031470161338235073426067484368301160190548125179029715946844372294412619194603492024298089435912213594340499183917272067933219402511360882405912760774901532014527670755370983670086517332487126948930412073333060600465716957318632938614552995097528095251552868535997233837026197876273231494220408572146332839507413942110266890331880632730647607968891226859698114187560746031563615711583037979309167700512847748203178376151696293589742197821411415723949149223377017995752511460255340769827143790591967562475069236756449332699297434729590790173682801043507495963477331735389146516042320858359

Factorizations

Primary (ID: 136464) 177997233919972398299983 (proven prime)
(ID: 137569) 455579809743093769123063681996503360178780696524007569287432644464008669308014918996173962246246804337169875632437602262512666579120760120696811119593721289260987831590344751452202024277246448278931173339432730529717394167359898267163369471855964717648930957812615330434254004660026430078090282970009846370574058660759743986139931635062839889399761642080902099214730506782346842511245611575562680251164026688083778700257608006090817011547800204261288503210730788184119506954990440383940050550410214213421824997382457058939508568798182890175400947269626486541383120737506808316216341062639981245480284533243581254042061273 (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.