Factor Info

ID 145735
Size 680 digits / 2258 bits
Status composite
Value 51211276519999182881211485947465089607966578997494860042831200843605498752215116152560112998770542161414356477633259959981553212987659255530520182988482662131529659365146723754605136536162650602604288846718381491267785245579852667781055491031895275795287569836370301892613325929609786949159379711726371503178422975437310076195867848986358320236333019444762408902045932969070345108150818909333096781047357855588460337962421788329309430321556929973147685717340530372435808576625797388164460767338162948451356621922927842554529154326436403424538606835128700883480415026929591161872762991638631575851360167654029829251130359901494870373960031360369928394070441244931814546511436215811

Factorizations

Primary (ID: 4236) 52370346649565455417091 (proven prime)
(ID: 145736) 977867816355653434339256717092862614001826042774859558886520683047892210331442674534410015336882265935837838778345902588921464000450554137944657420449473907402974348109411029267845541835333467956453920835569784735651651877297041524707807157269391175101935331411584952087772055998513972142903876640179132997912069483254661924169749088571795184787871421924938300379346945581355012533534030823176493024935374085030507007936355859458759867332725302901621580318796423500763545389455954816345558697772304681723825581137320776867768468767127164495188608843673301349966851717376813928216882436745449400150724542493019570058204664139067474066293980993923290867825921 (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.