Factor Info

ID 843
Size 97 digits / 320 bits
Status composite
Value 1287168115682421964296753409074239905084910374131265226448499167011641930970718599202778626881141

Factorizations

Primary (ID: 31) 67712817361580804952011621 (proven prime)
(ID: 844) 19009224041130225522765582216181963184401263160870903243931620443975121 (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.