Factor Info

ID 51626
Size 479 digits / 1589 bits
Status composite
Value 20697388398894841267440147684223768451029289288783721632408887920019813315602734342841703785812515501117631319801724817033864033007266567432123053128529412437806445965993975670276668243401935486452887564781864791992365050248587160946188264473776284239019100152457943952531998414946185728426267253709138275968450705861623411734539330976223619636790772787251696815791390475869568938717864989080461401651529939668923081723407310859586407190952640344662862058181983515185443917572401

Factorizations

Primary (ID: 73507) 28289718815384888394734507227024951 (proven prime)
(ID: 74824) 731622273588626630010094383348160501253063310803907009312139456552584997993469314479520067323644935208302934016166352878705919905142170696095026968508554445673018244948915932138949881480048199818854255110782269868051092060426578292672490667196153327383046140792037043100405159685607745030451973798836783840530032796764706414423381872525654575813653369494293600216963054584181717227865797680229633147549885903903158360841319227882460125369044951 (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.