The factorial of 5 (5!) is 1 × 2 × 3 × 4 × 5, or 120
The causes of acne, pimples, and blemishes are multi- factorial therefore it can be concluded that there is no one treatment to keep your skin blemish free.
Cancer is a multi- factorial disease, which means many factors play a part in the development of cancer instead of a single factor.
