Factor Info

ID 128799
Size 627 digits / 2081 bits
Status composite
Value 153325486690596645875960657213005416160639721434393423200328810866395251648289365948081641278162181690220412367945459428253016791795869977306543291290649426911898761386556796930989222371889656930353429869912000219045703811108308545228289208051379448977186591762122664123978196821689075722152526703285292697072683537654599650030002721905516636821050223051102923529294286411657214166931642239003392236622657735825023043747485454467716655126625809903887295032757884152205402416226243756548754361532963653071041964053112765030606064073024555828533516772658913621581006838677565836554767002971399469266165783217793293965916967821249

Factorizations

Primary (ID: 455) 976922609704830455114855830649608682719829067966633529507 (proven prime)
(ID: 128801) 156947423641799779291838290381039293453744053307618875856950114800856276272056292899832140068976269713198770668061534140342960261157232151254341533710152702346087759365790928315367947976344779860562865609821791004247352722933929998804014691912059733489960046527045822791583225509645273060912871682218969266536352189294843804678579872708856010599934346460570777374543015314219009421648528854603028547409097942600058137147452839044001988069073778939755391818421440476712668038311158041417706026449806131358147593016846510521124879418157519425189799020357983941598049452107 (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.