Factorial Calculator
Enter a non-negative integer to calculate its factorial. This calculator instantly finds n! with clear steps.
Factorial Result:
Calculation Steps
What is Factorial?
The factorial of a non-negative integer n, written as n!,
is the product of all positive integers less than or equal to n.
Example: 5! = 5 × 4 × 3 × 2 × 1 = 120