Factor Info

ID 209387
Size 786 digits / 2611 bits
Status composite
Value 853540157780017962890264742685524966225045151468105626085386208588971629452575475810221125745528986745945789370575893251042295410956047120988222686812457779511351523534414784423281316453338943373359638445317089130768870669915351209559471725397243619387538236558508894636822668900913637552896267950281879209538085636540131724650917912750382569008924672498827958053733180793775802544329687413621336590489512272204642836788150963762357071937726434859830778733698156112886137457985279730048819813438865383918814719729420395097335612081990717168776590332224915213286035204350931568514217464379870611723148472590644397481922308014852390451601627636087812833899867254119878612020963335377745900575228236541390085445914027813392543359110451753855655070814160782153209653208680945810446741974041

Factorizations

Primary (ID: 209388) 656239441841847835231373 (proven prime)
(ID: 209389) 1300653547102277246204417034185665968334668695327238244112759410035969675865330455014648409128297466758006218920819663382308123837324138812117247762282674221799910995290544761884755728933256238519027732862761124777369274301613549192497723141330978661968107971691216641864083881995066476290832074774551002479574405015407475400903897045794609580637045817538170207698144677104729700544158686698884956676333458541062325366785250035965759656523107207318865858552829491630300298445369630133192588707662597666878788128696829106849526911343875436375367940817770316805691594972855913963018417730262503681199169803312030479643508815513632765851203852813464412398729328720266197758038049948749436304801613707155629732135772926649714522407049728575667024163463722625459785917 (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.