Factor Info

ID 197678
Size 641 digits / 2127 bits
Status composite
Value 12785742314914743595011886165504374433573834512845249377648262141734196970847085671287984835915585775906588329286891199109709642009193365251049469615920886987889269045910734691463759164369304363929899159119468828881110464522140625601463058913771526903699310695974889181764381211732667049795875963546197856185466324216144213236076904457106245027477204318348024529220191168964865659645615707311532816087979368319718874857833557223521915616716962730882116916426889978627536231421369463725388430331213438035018718030639914350007328675201638859822749207682382227199769395709396364184369142840096091564064561777287443346055927336642221980947009551

Factorizations

Primary (ID: 197679) 316373308910097827077886114043063438384301 (proven prime)
(ID: 197680) 40413467112511700864572857038185774980649322340436051146801128244190272404850639185600057900852101313820171997054113237270069029473329951948934244470777545586965035395904777155456586068470813052743535209029671600096448311282433820556588939259802709222267496773008164067076718879087395838915910914764135490296970355663978905488021510518766866050105777956513879493929119095422320411547891567027781208486890640112032042628186728452943538339513777127494377010611327693453400167778687901277050033351398649364522095891953952824002842530216841660169045375540267950327290509396936829201048831698964447550251 (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.