Factor Info
| ID | 1981 |
| Size | 106 digits / 352 bits |
| Status | composite |
| Value | 6139088099861052061635901164059685303416867905215510285985405879385118781497460851538567731778765971699359 |
Factorizations
| Primary | (ID: 10095) 549367813941013461121562875277821 (proven prime) |
| (ID: 10096) 11174823031260102534563446053936311266658490325724736605418156329879621579 (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.