What is the factorial of 1? (1!) 1 Factorial

What is the factorial of 1?

Here we will show you how to calculate the factorial of 1 (aka 1 factorial) and give you the exact answer.

Before we begin, note that the factorial of 1 can be written as 1 followed by an exclamation mark like this: 1!

Factorial of 1 means that you multiply 1 by every number below it. Therefore, you calculate the factorial of 1 by multiplying 1 by 1. In other words, we calculate 1 × 1 to get 1 factorial.

The answer to 1 factorial (1!) contains 1 digits, and below is the exact entire answer to 1!

1

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