GCD Calculator
Find the greatest common divisor of any numbers.
Greatest Common Divisor
12
GCD of 48, 36, 60
Free online GCD calculator. Enter a list of whole numbers to find their greatest common divisor (highest common factor) using the Euclidean algorithm. Handles very large numbers.
How to use the GCD Calculator
- 01Enter two or more whole numbers separated by commas or spaces.
- 02The greatest common divisor is calculated instantly.
- 03Copy the result.
Frequently asked questions
What is the greatest common divisor?
The GCD (also called the highest common factor) is the largest whole number that divides all of the given numbers exactly, with no remainder.
Can I enter more than two numbers?
Yes. The calculator finds the GCD of any list of numbers by applying the Euclidean algorithm across all of them.