Factor Info

ID 171040
Size 492 digits / 1632 bits
Status composite
Value 152905738142475411044263915408630553438662528568146735848021932385216693802886399547470265737110707897158387768965787208020852425469221883273137761650076741668053735681799328197459705429702454989882836660867827147747558061184582888664199648050063189543799431625185257348949389019134870262775437114290473991526961169461533559634276865727217432952659609962935681936470167140326545079768425269337292774091295630221154077049572057308767455523330178591772186961398536976872512851134178327437862601

Factorizations

Primary (ID: 169674) 183568144870656843846378457942393309287798398318808511785444090771227292188651045274793163106851 (proven prime)
(ID: 171041) 832964446256259012078605051532042297959790539762838905769371237251683822573250545773594670982283415520439440411728158058434359705516224326538471370678716169726921697744215740747891605197445480848887619474515410623938960256357626097539271380862662628594745978757211433884284474034433953037110640371732747199242889272400173148330967391805028487324714941709979511202168678492292966025804035145993251 (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.