GCF Calculator
The GCF Calculator helps you quickly find the largest number that evenly divides two or more numbers. Whether you are solving math homework or working on a project, this free Greatest Common Factor Calculator makes the process simple and fast.
GCF Calculator
Find the Greatest Common Factor of two or more numbers
How to Use
- Fill in the Required Values
- Click "Calculate" Button
- View Step-By-Step Solution
What is GCF?
GCF stands for Greatest Common Factor. It is the biggest number that can divide two or more numbers without leaving a remainder. Example: For the numbers 12 and 18, the GCF is 6, because 6 is the most significant number that divides both 12 and 18.
How to Use the GCF Calculator
This free GCF Calculator is very simple to use. You enter the numbers and press calculate, and the result will show in minutes.
Step-by-Step guide
1- Enter the numbers, separated by commas.
Example: 24, 36, 45

2- After entering the numbers, you click on calculate, and in seconds, you will see the result.

How does the GCF Calculator work?
- Step 1: Finding the GCF of 8, 12, 18
- Step 2: Start with the first number: 8
- Step 3: It’s finding the GCF of the first two numbers. GCF (8, 12) = 4
- Step 4: It compares the result with the following number. GCF (4, 18) = 2
- Step 5: Then, the result will show (2).
Why use MathCalc GCF Calculator?
Get Quick Results
Doing GCF by hand can take time and effort, especially when dealing with large numbers. This free Mathcalc GCF calculator gives accurate results in seconds. For Example, instead of finding the GCF of 24,28 with hands, the calculator instantly shows the result 4.
Easy to Understand and Execute
The GCF Calculator is designed to be used by anyone who requires help, including students, teachers, and more. The design is simple, and it functions effectively on both mobile devices and desktop computers. Enter your values, and you will shortly receive a result.
Remove the Possibility of Human Error
When you do your math by hand, you run the risk of making mistakes that could cost you money or points. This tool uses tried-and-true formulas to make sure that the outcomes you obtain are accurate at all times. Make sure you use the MathCalc calculator so that you don't result in any errors. For Example, if you're finding the GCF of 24, 36, 45 by hand, it's easy to mess up—but the calculator correctly gives 3.
Multiple Numbers at Once
You can enter more than two numbers. For Example, try finding the GCF of 20, 30, or 40 at the same time.
Tips for the best result
- Only enter numbers, separated by commas.
- Double-check your input.
FAQ
Is the GCF the same as the LCM?
No, GCF is the greatest number that divides evenly. LCM is the smallest number that all the inputs divide into.
What is a factor in GCF?
A factor is a number that divides another number exactly, without any remainder.
What is GCF?
GCF stands for Greatest Common Factor. It is the biggest number that can divide two or more numbers without leaving a remainder.