What is GCD Function in Excel?
The GCD function is one of the math functions of Excel.
It Returns the greatest common divisor.
We can find this function in Math & trig category of insert function Tab.
How to use GCD function in excel
- Click on an empty cell (like F5 )

2. Click on fx icon (or press shift+F3)

3. In the insert function tab you will see all functions

4. Select math and trig category
5. Select GCD function
6. Then select ok

7. In the function arguments Tab you will see GCD function
8 & 9. Numbers: number1,number2,… are 1 to 255 values
10. You will see results in the formula result section

Examples of GCD function in Excel
Example 1:
How to use GCD function in excel
You can see examples of GCD function below:

gcd(A2,B2) ----->>>>answer is 3
gcd(A3,B3) ----->>>>answer is 9
gcd(A4,B4) ----->>>>answer is 2
gcd(A5,B5) ----->>>>answer is 10
gcd(A6,B6) ----->>>>answer is 1
What is the purpose of GCD function?
It Returns the greatest common divisor.
What is the Return value of GCD function?
It returns a number.
How many arguments does GCD function have?
This function has just 2 Argument.
The argument of GCD function is number.
Numbers: number1,number2,… are 1 to 255 values.
The argument of GCD function is required and not optional.
GCD(number) = number
Which version of excel supports GCD function?
This function is available for all excel versions (2003-2019)