Factor Info

ID 33278
Size 513 digits / 1703 bits
Status composite
Value 420720528642564244565978376251606589067205285131395394517968043564402892452258773062658601954766261751626721255603003963916515874175998621544119655582566711828786961736102635205374928321591538810760904323124462973158985524446896526187544565255515399429154010216078931804669639385319075343729104894041853944479846238168886962264536742817835129831414893018379752750782885299562807034903199623047708752420093413511843658773033962457810625574447061814857019998709069095715137287588309438021773984005685837669614634793

Factorizations

Primary (ID: 18137) 357708888729481429441295130414301389734167320382217282028474835603757 (proven prime)
(ID: 33279) 1176153408255771869636369626934766158777040624287263573931301272464463551062877177726740074682427742313928014918044772162779197222791602321244989117982215515274478913975305694065002465744747123580397536593266333184169683488795325855500411059126100088646161819481750770259947604306686753847722282533616201675346527880224047533705356660395832787747649052974442345856591016744770677284568305414155917693909203274147021100196791376593150124814775149 (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.