Factor Info

ID 152261
Size 85 digits / 281 bits
Status composite
Value 2112257180737490840396522248305837957351340603893543819378664414955686380188087891861

Factorizations

Primary (ID: 152139) 400650121113389033862431 (proven prime)
(ID: 152262) 5272074234915045580252027774423457510694190102879179114211531 (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.