GCD of 12 and 8
The greatest common divisor (GCD) of 12 and 8 is 4.
How to use this tool
- Enter first number and second number in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your gcd and the full breakdown beneath it.
The GCD of 12 and 8 is 4, found using the Euclidean algorithm.
Frequently asked questions
- What is GCD?
- The Greatest Common Divisor (GCD) of two integers is the largest positive integer that divides both numbers without a remainder.