Factor Info
| ID | 1816 |
| Size | 118 digits / 390 bits |
| Status | composite |
| Value | 1528602112610535671135133360305518606440353343849705783256715935286683887720844177570993019012465930965102760452927249 |
Factorizations
| Primary | (ID: 1817) 536131473772897007587 (proven prime) |
| (ID: 1818) 2851170258394576119766264702439662399846082709988841426069834260441276682401986535874529123215227 (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.