Factor Info
| ID | 143242 |
| Size | 136 digits / 451 bits |
| Status | composite |
| Value | 5018211619506559787797985034099416394823686731255488519919508544070489898177765339097203779683143471321850036371117115559588022472632227 |
Factorizations
| Primary | (ID: 179132) 16571733132363756451749835121917 (proven prime) |
| (ID: 179133) 302817549584252377546290650074641242150394797040881619921392693967739261113742719806633052004973866758431 (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.