Factor Info
| ID | 4377 |
| Size | 51 digits / 168 bits |
| Status | composite |
| Value | 264135844346274049136998960281708582249320187602561 |
Factorizations
| Primary | (ID: 4378) 153849834853910661121 (proven prime) |
| (ID: 4247) 1716841910146256242328924544641 (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.