Factor Info
| ID | 18908 |
| Size | 171 digits / 568 bits |
| Status | composite |
| Value | 547788728156162282203759154484089215283928122311937905947855887000525888848360853134782357074509885386134548714383278203256983231304255910371833030345617046903278522549251 |
Factorizations
| Primary | (ID: 18909) 13454548201145619522981465181 (proven prime) |
| (ID: 18910) 40714018781360455301561042039250872040453250993539026576135822455756311517796598039476226422793771025718351444612469388546455920351888446229471 (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.