Factor Info

ID 163717
Size 123 digits / 407 bits
Status composite
Value 320385081516897447367536884520087722918599989465905114406927703007907904684605646121468878140028713567812698860920784785753

Factorizations

Primary (ID: 163572) 301682835425375850779941 (proven prime)
(ID: 163718) 1061993073172861294359776468608772491115998213480144802589868551398500185694871480043130224312829733 (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.