👉 The term "multifactorial" refers to a mathematical operation that involves more than one factor. It is often used in finance, where it represents the sum of multiple interest rates or other factors that affect an investment's return. For example, if you are considering investing $10,000 into two different funds, and both have a 5% annual interest rate, the multifactorial calculation would be: $$ \text{Multifactorial} = 10,