GCF and LCM Calculator
Find the greatest common factor (GCF/GCD) or least common multiple (LCM) of two or more integers.
GCF and LCM Calculator
Find the greatest common factor (GCF/GCD) or least common multiple (LCM) of two or more integers.
GCF (GCD)
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GCF and LCM Calculator
This free calculator finds the greatest common factor (GCF, also called GCD) and the least common multiple (LCM) of two or more integers. Use the tabs to switch between GCF and LCM. No sign-up required.
- GCF (GCD) for two or more numbers
- LCM for two or more numbers
- Comma- or space-separated input
- Copy and reset