Factor Info
| ID | 12147 |
| Size | 131 digits / 435 bits |
| Status | composite |
| Value | 57399881171297899857306441904791253313578648698846612064234978782252962036094072780739834431844146936971923950447909762588364997407 |
Factorizations
| Primary | (ID: 4452) 31575110690775101163983809 (proven prime) |
| (ID: 12148) 1817883767168160512737924753849959368005840914790540203946610102104966549162094288844008908754862290112223 (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.