Factorial (n!) Calculator
Definition – What is a factorial?
A factorial is the total of all the integers (whole numbers) from 1 until (and including) the number multiplied together.
The factorial of 3 (also written as 3!) would be 1 x 2 x 3 (for a total of 6) while the factorial of 10 would be 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 (for a total of 3,628,800).
Formula – How are factorials calculated?
Factorials calculate by multiplying all the previous positive integers together – The factorial of 3 (1 x 2 x 3 = 6) is the multiplication of all previous integers together.
Sources and more resources
- Wikipedia – Factorial
- Wolfram Math World – Factorial
- Math is Fun! – Factorial Function !
- Purple Math – Factorial