The exact factorial of 79 is:

894618213078297528685144171539831652069808216779571907213868063227837990693501860533361810841010176000000000000000000

📌 Number of digits in the exact factorial of 79! = 117.

Approximately, the value of 79! can also be written as 8.94618213 E+116.

## How to calculate 79!

The formula for finding the factorial of a number is:

n! = n × (n-1) × (n-2) × … × 2 × 1

The same formula can also be written in terms of PI product notation as: So, by definition, 79! is calculated as:

79 × 78 × 77 × … × 2 × 1

Also see:

### How many digits are there in the exact value of 79!?

There are 117 digits in the exact value of 79!.

### What is the value of 79 factorial in terms of E?

The value of 79! in terms of E is 8.94618213 E+116.

### What are the uses of factorials?

According to Wikipedia:

In mathematical analysis, factorials are used in power series for the exponential function and other functions, and they also have applications in algebra, number theory, probability theory, and computer science.