# Greatest common factor

Find the greatest common factor of 2 or 3 integers.

If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# Greatest common factor

### Problem

Find the greatest common factor of 2 or 3 integers.