Factorial Calculator

Enter the value you want to find the factorial of：
The factorial result is：

The factorial of a positive integer refers to multiplying from 1 times 2 times 3 times 4 to the required number.

For example, if the required number is 4, the factorial formula is 1×2×3×4, and the product is 24, which is the factorial of 4. For example, if the required number is 6, the factorial formula is 1×2×3×…×6, and the product is 720, which is the factorial of 6. For example, if the required number is n, the factorial formula is 1×2×3×…×n, and the product is x, which is the factorial of n.

The factorial representation of any natural number n greater than 1:

n!=1×2×3×…×n or n!=n×(n-1)!