Factor Info

ID 125281
Size 672 digits / 2232 bits
Status composite
Value 638079160771439904548064965264943162828374354658855012106381900783811940100113123150556067083222292989297643665272449849973495785268307565103768287131408013200895576452840714394205229222444211617964922602013300454134131428356119471536703526414934251781323801385707317423593064488762392774478307032503811423479974124933591208243561485220784407564050712446857189834878398105716334803942802436049286523774613339221566486695156846559901807026050696279391102762744915571057225118963207395529563034238898333814696922143978125779374276301025747973996463152597169717686079640813684006351305051453305187628666089211097332889282937304342055123782839739109948752994453949091221699529

Factorizations

Primary (ID: 9587) 197338780986758366698872346949988950433485032670191 (proven prime)
(ID: 125282) 3233419997736054052480534979788301949403114566114269175666335453269898741421463070044259598182736729854917293960631091771112391808046168597493967276377144449682370424668113882143962510383759978115473044193799702742386860064302335241261478721136164186207935520100678884768987971625951500294660896849376120425874167725868091367558621696788002130112831034234926777914574596014746095600739472398873542490290452728733453608711649113181538728022474332002897602440096950510973483956837944000429490690692315428204517275595679303223586940691072584294474469767093161162991830921148823819438133474743762211415782178668283960494334919 (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.