Factor Info

ID 170911
Size 642 digits / 2133 bits
Status composite
Value 669877234196316674888346947175637884683298871262689385985081438830270569389915876272146262383413872454358796403605607129680094123388629394320153599822922666842133184180785869950174974957091459765416168888808545020735380119756377731377938232562512542125239652010481165654699747055117563122433348501315838898361463125496007027856618434909656813727661009692242774976948462115244301778526053686299970304087844004006125975346545134165758844028429912814193465662110162185809374829661527251012023945283059480162403255737995207408421799837774514620520874388371571232649979352397468365505455252745233552905936883784596432325202237827473087770506426821

Factorizations

Primary (ID: 169657) 653105622795030982784088399582057343473636425537749646032790147588701944733 (proven prime)
(ID: 170912) 1025679784120537654929609943847996008945818538850669421248706494165269746387575682602815436909662745352386053071040085675887406514665155937600561496204590652946298910401722397446556573726596995017698383190466335180032974764658226279743368399281893257657416311196456264431251202264312405908089514027915376187369256734918117183674318292317817864563690382941306685622600317953407781778294988205608504985002567630634368481559385778755676893927748831200444717083148269103170227975310978967402621028707242465679096666902969845811248112336604022556254479103998455321656164937 (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.