Factor Info
| ID | 2161 |
| Size | 50 digits / 164 bits |
| Status | composite |
| Value | 17726134292546940492766254883101518975039516780123 |
Factorizations
| Primary | (ID: 2141) 11111111111111111111111 (proven prime) |
| (ID: 2162) 1595352086329224644348978893 (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.