Factor Info
| ID | 289 |
| Size | 53 digits / 174 bits |
| Status | composite |
| Value | 15687117688503782979159164196305874291531522676129981 |
Factorizations
| Primary | (ID: 290) 17340889195212892399797173 (proven prime) |
| (ID: 291) 904631677874647406183595497 (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.