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GCD & LCM Calculator
Find the greatest common divisor and least common multiple of any numbers.
GCD (Greatest Common Divisor)
6
LCM (Least Common Multiple)
72
Using: 12, 18, 24
Also known as HCF (highest common factor) and LCM. Enter two or more whole numbers.
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Frequently asked questions
What's the difference between GCD and LCM?＋
GCD is the largest number that divides them all; LCM is the smallest number they all divide into.
How many numbers can I enter?＋
Two or more — separate them with commas or spaces.