Factor Info

ID 81300
Size 127 digits / 421 bits
Status composite
Value 4001360952239568719963903200086066684020505922994723758681713458927283231330331504777860572852167888419177331319791911561868711

Factorizations

Primary (ID: 57163) 1725839313594069799295455569880861 (proven prime)
(ID: 81301) 2318501450698044811823969119219626179969407375795259417351579032193454393883044117592874696851 (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.