Free · Math · Number Theory

Greatest Common Factor Calculator

Find the greatest common factor of two or more whole numbers.

  • Checked formula
  • Private in your browser
  • No signup
Calculator inputs

Enter your values

Result

Your calculation

Greatest common factor
24
Numbers
48, 72, 120

How to use this calculator

  1. Enter the known values using the units shown.
  2. Choose the calculation you want when more than one method is available.
  3. Calculate, then review the result and the worked formula together.

Private by default

Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.