GCD Function in Excel: Syntax, Examples and Free Practice

By Rinkesh Shah, founder of Cellgrids.

GCD is an Excel Math & Trig function. Returns the greatest common divisor of a set of numbers.

GCD syntax

=GCD(number1, [number2], ...)

GCD is used in financial models and engineering-style calculations where precise numeric work is needed.

Open the live Excel-style spreadsheet and try GCD yourself. No Excel install or sign-up needed to start.

What does the GCD function do in Excel?

Returns the greatest common divisor of a set of numbers.

What is the syntax of GCD in Excel?

The syntax is =GCD(number1, [number2], ...). number1: The first number or range; number2: An additional number or range (optional).

Where can I practice GCD online for free?

Open the free live spreadsheet on Cellgrids and try GCD yourself. No Excel install is needed and you can start without signing up.