Greatest Common Factor (GCF) = --

Least Common Multiple (LCM) = --


The Greatest Common Factor (GCF) Calculator is a useful tool that helps you find the biggest number that divides two or more numbers without leaving a remainder. This tool is especially helpful for simplifying fractions, solving math problems, and understanding number relationships.

What Is the Greatest Common Factor?

The Greatest Common Factor, also called Greatest Common Divisor (GCD), is the largest positive integer that divides each of the given numbers exactly. For example, the GCF of 12 and 18 is 6 because 6 is the biggest number that divides both 12 and 18 evenly.

How to Use the GCF Calculator

  1. Enter two or more numbers in the input fields.
  2. Click the calculate button or let the calculator automatically find the GCF.
  3. The tool will display the greatest common factor of the numbers you entered.

Benefits of Using This Calculator

  • Fast and Accurate: Quickly find the GCF without manual calculation.
  • Easy to Use: Simple inputs and clear results for all users.
  • Helpful for Math Learning: Understand factorization and number theory concepts better.
  • Useful in Real Life: Simplifies fractions, helps with ratios, and more.

When to Use the Greatest Common Factor

The GCF is often used when simplifying fractions, solving problems involving ratios, and in number theory. It helps reduce fractions to their simplest form and makes division problems easier to solve.

Conclusion

The Greatest Common Factor (GCF) Calculator is a helpful and reliable tool for finding the largest factor shared by multiple numbers. It saves time, reduces errors, and supports learning in mathematics.