Python math.factorial()

The math.factorial() method returns the factorial of a positive number.

Syntax

math.factorial(n)

• n: A positive number whose factorial is calculated.

Note: If n is negative or non-integer, math.factorial(n) raises a ValueError. If n is not a number, it raises a TypeError.

Example

In the example we are using math.factorial() to return the factorial of 6:

import math

print(math.factorial(6))

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The above code gives the following output:

720

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Codebyte Example

Run the following example that uses the math.factorial() function to understand its working:

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