Factor Info
| ID | 57220 |
| Size | 78 digits / 257 bits |
| Status | composite |
| Value | 220838997686267641465336376401103175390287597982775489416373304984191861429183 |
Factorizations
| Primary | (ID: 57152) 77720275181800334933851 (proven prime) |
| (ID: 57221) 2841459286777991861559883514350922118721754186163777133 (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.