Factor Info

ID 171220
Size 677 digits / 2247 bits
Status composite
Value 13268602095509870169111645409765060063016657718277635892093522705205323512514549190339554781511233439224328191739371384896712587984123622050231400130896148731452604261422951425162249081173571081660927105648510788326048349145478590264651077058058254854397176169098179825749700952384282600963459452449145657211598268215319596233663954631033009560210800205013725675717799768400921976294586219129952585754308573734109910283693547865076967616110725643076908799606279817255528481426417710838803723551870136179855482558226543053487226883391766259494154658084207818964944242059355667446518012943452953263864901554206983412872167566024814659179158417762885731848995842900222352174369841

Factorizations

Primary (ID: 134170) 52015912064756497188930334189150885633 (proven prime)
(ID: 171221) 255087367861421054181687612079600214074682990237892514732794055673237796405606204470362801733030868517695605515091477958998703532466781836049347220013736034693403098857696305596030429876356913227627446981018685996446017175930010473746676725326283349596695868405018489525098284690476189712599894431202368599353343102568370616303958383381309551862557296923988746639653077552212166509623824711611660625819570298372413455079176247585473024524187062255751690693573324671749443981734088029321316108317411072022436248149212505427902410323709307219267558765433579891937915670890948547649558797074475392923028871637298932828589126609420891428201777 (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.