Factor Info

ID 192292
Size 128 digits / 423 bits
Status composite
Value 18557990732587868033368545212340076985325480944600708996386773775043527360732351682900022681620399951194680546981709187442434381

Factorizations

Primary (ID: 192294) 902170573704181482511191330654417988063553 (proven prime)
(ID: 192295) 20570379120648383161543344289495613849703832074709590812771438137504697246697956753677 (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.