Factor Info
| ID | 63515 |
| Size | 76 digits / 251 bits |
| Status | composite |
| Value | 3256515419736099057307057088864420994564176130238031424979417304794455119707 |
Factorizations
| Primary | (ID: 89852) 3600726599397673203892785513033463 (proven prime) |
| (ID: 63376) 904405077653173242898527606595551272070589 (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.