Factor Info

ID 21030
Size 428 digits / 1420 bits
Status composite
Value 18308121296487974952036117936979771368094199553160832872489027555614817154011447729500831452423667505511767582371047859108511873355651646300573911645150431158571945614544111386926374305108953525406266061739884181921216458061085094256591281855443555802489421810701561479804997729394428558266807346754072416393387713117120322634471527758773169409414013594070885674910777682180035099829678238643873931174589145092994599412982589897

Factorizations

Primary (ID: 16567) 8597971138069346350487920233892950696823018756984661 (proven prime)
(ID: 29320) 2129353658263037547653776993657607621222799725867773740215118792731830981335053571823076384989266046367639943425488897756543132546807979270395277855926134711779271769216903009971790276991081391857673493628340979064058835706993688291296179308810657710962184214892949182853712612962812597624021305257765171947960395260988742705343831996852095233488666286267259218891712553511077 (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.