Factor Info

ID 42927
Size 137 digits / 455 bits
Status composite
Value 81852733672281604986530905279297941905689543159182316612842479196480134322973212551746881645276031396869483062904584555470574412580607521

Factorizations

Primary (ID: 68) 118021448662479038881 (proven prime)
(ID: 42928) 693541170693187197646521724151498674352120270026208073310216987924133891370610949055514725977632311530913823527181441 (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.