Factor Info
| ID | 54972 |
| Size | 73 digits / 240 bits |
| Status | composite |
| Value | 1688807549986301225349938654557700732174403106731267425990781185541809219 |
Factorizations
| Primary | (ID: 78665) 422385642452919347685571782874181 (proven prime) |
| (ID: 78666) 3998259837097900188695659311992063431399 (proven prime) |
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.