Factor Info

ID 208218
Size 126 digits / 418 bits
Status composite
Value 644028764905640132398683054101870524621720852091897480093732004070154689356059236298324277567996342561612388341286144012765877

Factorizations

Primary (ID: 225316) 630384727624202112975178512352005070771 (proven prime)
(ID: 225317) 1021643984512219628312433735932490548373814682368190642933348479203149650335905471952887 (proven prime)

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.