Factor Info

ID 159166
Size 268 digits / 890 bits
Status composite
Value 5223441422460153838463530608536106127520388861466825360016327063792949219755556270409980819923907112405987635979437276695274969710354293283549447857903132410237218260756914416234659069558825371970205846565813284373476762388819924905842721715751181154859779628909250177

Factorizations

Primary (ID: 158797) 278405035413054275292445184617 (proven prime)
(ID: 192494) 18762022083079138291864672497359453004955540435674288430456515563456204632725030680722489287357610275979188720912329991560623178199469470121469905155027386487389449338055271630627622385479927318099855058418551916361230161754138631495278681 (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.