Factor Info

ID 137547
Size 652 digits / 2165 bits
Status composite
Value 4421154108952101955054763614946177985454096240548662598877912628652763822991656535061118845491225863987642595269925263706502372868558788350467123053897464104436297766740411064718376807699306344515585805168369858435621163500683035614373142617449130265985343732643460168835818241641956886951680667500279557783479479654334267026522814506546825205837914086750621787400283885325078222245426862888582585833523853226912646445248642460027801900583580749511742686784671205055573002875834522265912182881836715588916735565658170901287547726931852430585404232370829286354698348488348855210556276828147823438935437619132374908468797552073948456077652152113116724899

Factorizations

Primary (ID: 136853) 142478374928141569758639841 (proven prime)
(ID: 172455) 31030351877482420267691102954801006428303275475752613428657500951154589395558740773355548589975938343969079052545072456384011924801959631469545370115111204614370302822690847734524340802132913772994549703378651013254686147086868572521596683083844790351613675366377218843073572171740651531481094459414669354002576198812046044482282915604876057497088137876766009997226300735393922948130262588681888471414760726558605353004222079495554990178822035981145248635782120697933677522127540927826773093893310045834043667058469968276617310827799319984259883965250409064341240499718421047104028892954997174267986270623021671905411130907139 (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.