Factor Info

ID 51206
Size 537 digits / 1784 bits
Status composite
Value 720305386740329184571662491317721891757919958167170128920844495005105431797686473205823182481474750680796432910152131314645486414311071553816960719926094384341628599178529960973477056657744303449468030993716749479708049996014420414846895159544863791884951879893406347695454287450999787319126725550188086354136545861984066139937348597214650918193758961637784963974123354409966357472931514871661210250302171295650262354770770661313970599188420759609147215353017919834073700704067113533901211486644537920571668280740628856298890263394527019

Factorizations

Primary (ID: 51207) 64021085260998100952323 (proven prime)
(ID: 51208) 11251064923436124299729388788757027504920350822854052040108927840924783940893240617042995470119753992402616939947209480341864553556858629786157781302944588805616614461739044455367050151441472421937493972406671374646873316885426266193682663088569314663470234438075210761318596066845692811262391858250363841779430280262993028217442505517072391195476429611069188225279630649298871630200987509240924684840835773811834090849492301021793322743768687219553534843110437108517772899599776729992902861123420555052508193159353 (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.