Factor Info
| ID | 972 |
| Size | 140 digits / 463 bits |
| Status | composite |
| Value | 21519460302255244200081544297268157008594251027653681209518283149765041651953785490475700498794650424414868176619838688155400378761806388789 |
Factorizations
| Primary | (ID: 973) 12072125815683341020398173 (proven prime) |
| (ID: 974) 1782574223530583549608132907532812341184757131755326953103475863482409083139452437901513122672558776017681650711993 (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.