Factorial Calculator

Compute n! (the product 1 × 2 × … × n).

n! 720

Formula: n! = 1 × 2 × … × n

Step-by-step with your numbers:

1. Values used:

2. n = 6

4. n! = 720

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The factorial multiplies all whole numbers up to n.

The math behind it

n! = 1 × 2 × 3 × … × n, with 0! defined as 1.

6! = 720.

Why does it grow so fast?

Each step multiplies by a larger number, so factorials explode quickly.