Factor Info
| ID | 7739 |
| Size | 76 digits / 250 bits |
| Status | composite |
| Value | 1565172626312265683616020156285111162280893546412021938270944775085351525761 |
Factorizations
| Primary | (ID: 7543) 28753787197056661026689 (proven prime) |
| (ID: 17232) 54433616538432275405858678663090921162951176058562049 (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.