What does 3 factorial mean?

Answer: Finding the value of 3 factorial.
Factorial: It is a function that multiplies a number by every preceding natural number. It is denoted by an exclamation mark or symbol ‘!’.
The general formula of factorial is n!=1×2×3×4×⋯×(n-1)×n
Factorial of 3 means, the multiplication of natural numbers from 1.to 3

3!=1×2×3

⇒3!=6 

Hence, the factorial of 3 mean product of first 3 natural number.