What is the factorial of 18? (18!) 18 Factorial

What is the factorial of 18?

Here we will show you how to calculate the factorial of 18 (aka 18 factorial) and give you the exact answer.

Before we begin, note that the factorial of 18 can be written as 18 followed by an exclamation mark like this: 18!

Factorial of 18 means that you multiply 18 by every number below it. Therefore, you calculate the factorial of 18 by multiplying 18 by 17 and then by 16 and so on all the way down to 1. In other words, we calculate 18 × 17 × 16 × ... × 1 to get 18 factorial.

The answer to 18 factorial (18!) contains 16 digits, and below is the exact entire answer to 18!

6,402,373,705,728,000

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