Factor Info

ID 155819
Size 649 digits / 2156 bits
Status composite
Value 8478042619567244074777665849900706445308985663328243607095273494945520091965395880816583049229478148649807088252087893808459899626512833081089532175109640714001372053794685097727215640790651483608406607328844836720189265226974229729483621030280734788896979200655587416542208240319827714431911968195696605638307984636864754664453975714137549870420589768853143878391898902210655179794492196564068407380360529108161387363860827277900530778276755787955612752133862239960366312161936554743740685501642905847518601357743269573268137443728876114036729785069329134821350846511963628213687186844207849760774760806920907274283034424048858185697291484439141059

Factorizations

Primary (ID: 154632) 447772934301264047325373 (proven prime)
(ID: 155820) 18933798740642888511272856383913642369154436128743272036107872457534799668450035669729865167664890874149470375299240903302489749519851942490301639958317186553140144966833047855673970866118204964968548270015462911194562509582943014358124510767866375626733238150680149115615006820365180240217677241252387105421767631513150918694877159900027464908283031978171502218610563719175044745845383691783076477856163220736724629190444655912683050277703547853816340630869284723078792137097133158673149467310525829711486587024485622861113765592978122248223285067571264022534708303487573721765708305146367456320607723905638915874282190438783 (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.