Factor Info

ID 17139
Size 72 digits / 238 bits
Status composite
Value 261086668951668049030776644249606258498957250612701457698985017867709473

Factorizations

Primary (ID: 7512) 29579867253585988507046633033646287 (proven prime)
(ID: 17140) 8826499007361715764052964663075774479 (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.