Factor Info

ID 137783
Size 747 digits / 2479 bits
Status composite
Value 170119198038730941600293387556431140567875062755352329494739053762593684732486814710828716882296149522627447813556846329661495587075814043551756300124881932323659569035699514661054583778396054444119660443366333904434479296795932784189689603666190104381180751281097626300540876171855661330465245850881044643423560713286611695144750404578688497044006625151117343627500123614598164989476043737671150315776642467997962675583051251972191805911100375924869881493392196766241601999019048075794692941088919330871874129621566889523882122016832739792903395496435651528526840691185799177738616101135177992790676448666830418623655073572197318829091456045301304841507677333733533348753807048732194463832224364100712519087639583463590257556127308244087468851227

Factorizations

Primary (ID: 171379) 28874753842468645099777511117851 (proven prime)
(ID: 172726) 5891624183771279292377709159693419155341466776033236156124939439969219687486597246574846334797441843050080955954803303671918174403271682634414157086585956982097893855178484785548442607809024977735809026103909886802946674996287590198615818194304979490745676190077184325274252909490984208364398563073902661029817343828320810638478209106491793247550636271361446507590777295471862677864744346984154754876430479405559948418107272652123628803306957059347365257965471812136627502710269993499116728272586735373856174107149866657477772094620861063369588436973310979351398581267287298636566198774205219275260989483456766293479932290925977393259466127912551587056297731408177905332485567004107150782247452275616574326761931777 (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.