Factor Info

ID 131207
Size 801 digits / 2661 bits
Status composite
Value 683603285544370658115496729226210910689913632975375853674352494622307570787594799878046061775638026922506821617049970146388687122504721374816828933803375161553837738443194825261123322391498227378001566781070737677063473593185526037014937592098124466736890625153130667482321628535372101044476581492307619626977119515784917845254949403955405340265986960289107302824809152724002123695690914295027154870668473018420733777340931405253719260188762202741371854521838497187394072727925161446371405174312335717302360229716151127578756738450119527969272965102345774777578062013368968791611369989811717102215877678511012620875055389066783128243575174975543895228951214124438171021468751240852357233324461079420952030128546528796657590399384519641726310719449302566849127459939855127566062908476697912561156657381

Factorizations

Primary (ID: 46719) 1719783047245764931047494056259958253341118808453843101262246252684032673315566425367872388783880642353740706163923553930100047959280714317810662234313395490522445772071216347862723590809421 (proven prime)
(ID: 131208) 397493908687588426411027798084060920975938412457304617214527459486512581780779742514267170381068024799694012725421776320667294400024127594627819906815281335705236196534134426680674235406327533476771650298718384443304277031857975805605179546192068755289577274122592982732841326151647768859151054298699960131594393060028127784168794756194884935092843998720485430375082431779673803696643514343147901257084038936564065034527408112028701711324570138836161873625035654876318500190896254709408199018011781497158813297855367021298381094804819613146222710838487936579498127974086124538021201959884169818480927881248928761 (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.