Factor Info
| ID | 18667 |
| Size | 187 digits / 619 bits |
| Status | composite |
| Value | 1820091617897135030711239705657755004490800635465609284827849748543697156382666565702042627494934058632913273708379228823930481562854800546656918569755240091988921484841283200408846041171 |
Factorizations
| Primary | (ID: 18053) 11916717598664539151308306888803765941891 (proven prime) |
| (ID: 18668) 152734308153874999899532082249137310457166220672729255973195589112279890270806677059231483866744648287498243498456716331136312437489187175909828081 (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.