Factor Info

ID 137722
Size 623 digits / 2069 bits
Status composite
Value 51213901829862507010740684742712352969794054156590635466411535035657694302166120727485218356018405211559543784547963657764530544763161134581621586948181905881484163407931424726425459682265701719948863137080979704743439902506212474533360309855465254465969083138867822838052926531800796135606145768879656284708130628684734164414074988048879673537728525964499632517096492995077535747301290026691476434388150849743718948968915525917952289967386310000857407112634262333480960811765551606230964932109364177120809069322572359134327386942649144025676150470903055037562906592348312697609876241437395781744961230514172310417787485677

Factorizations

Primary (ID: 136415) 480249047846803230704957710381921 (proven prime)
(ID: 172657) 106640298527357947457692364322541529314449466540391152860298819228668435189866490664699557504841855596679074614191161249017910045671276861446491766348975668856747167035800460689768253900769949469640017820942585990686193037328679147707899313292624439403570237785178933682898698571535573724817781139135680493982960400230747863965777278923452313481644160938207918971750444829362575830344556774179480856645102894752649936167910774139897805928424892798547982140627434653848453389603272157098620524488555982608604094950070748812179589007058832844244924417544042891904244234769839635322515843162637 (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.