Factor Info

ID 196638
Size 668 digits / 2219 bits
Status composite
Value 64530519832179756738555482212195144953352629421625179439553235004561046069192624543410634520072891579776174659248201738735467905297963429848852765133673599699448715061317258697584498680122360280827494276176974425120501414823827412772665305487596683636155029417072511129293965440294463985352089099257411520791974206859525631045243131746970091996740561416248626190129768976900405937136570986586039829132951992499428696943797925168821559766104983770947168557454821335199542190307175989991213319642597798588009852362620114755331790753506325929827250156133608294893634418394101976931861853035084689801238006984642141660207614239804545020956550428329970490839040586435903241

Factorizations

Primary (ID: 195885) 522621312869293759869100571185801 (proven prime)
(ID: 196639) 123474719157346483936507541006936955857189750983001957463514648876102025759082954504578872758746592949854207794645524575335759933422929711542781234522471756456304726306603799375853900103864329328979642313354100462943059791949048193941307236086947503471496433035978297061991310596070508692258137304251159555618830256573090994915808315896373213976200900803538548756603711939335864659427102101330601379423112119320127907646839231028831233246149204578836302781712565570598575177967326569844827016968255719479346966348155025603055494485849650922828293083803259673372254967042061103839212946189469794740779388688958629505041777505319245965441 (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.