† ˈfactus Math. Obs. rare.
[a. L. factus (? sc. numerus), pa. pple. masc. of facĕre to make.]
The product of two or more numbers or expressions; = factum 3.
| 1669 Newton in Rigaud Cor. Sci. Men II. 282 The factus of their denominators will be b5 + 10 b4 + 35 b3 + 50 bb + 24 b. |