Factor Info

ID 4423
Size 42 digits / 139 bits
Status composite
Value 627881457709026605415760069740212786812423

Factorizations

Primary (ID: 4256) 165301473942399079669 (proven prime)
(ID: 7448) 3798402051319990403467 (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.