Factor Info

ID 19419
Size 72 digits / 240 bits
Status composite
Value 999999999999999999999999999999999999000000000000000000000000000000000001

Factorizations

Primary (ID: 19420) 1726290008991504500177463302688697 (proven prime)
(ID: 19421) 579276943498154282123686999881829009033 (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.