Factor Info
| ID | 47128 |
| Size | 87 digits / 287 bits |
| Status | composite |
| Value | 128209373053937883281374473561790871507374643737806340218674750051398258634584612054171 |
Factorizations
| Primary | (ID: 10097) 13854904364713643609171342621705294471851 (proven prime) |
| (ID: 9431) 9253717649648153631934157707412930885620090321 (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.