GCD/LCM Calculator

Find the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two or more numbers.

Enter numbers separated by commas, then click Calculate
Result
GCD (Greatest Common Divisor)
LCM (Least Common Multiple)

GCD and LCM Explained

The Greatest Common Divisor (GCD) is the largest number that divides evenly into all given numbers. The Least Common Multiple (LCM) is the smallest number that all given numbers divide into evenly. Both are computed using the Euclidean algorithm.

Frequently Asked Questions

The GCD is the largest number that divides evenly into all given numbers.

The LCM is the smallest number that all given numbers divide into evenly.

Both the GCD and LCM are computed using the Euclidean algorithm.

Yes, this calculator finds the GCD and LCM of two or more numbers.

GCD is commonly used to simplify fractions, while LCM is used to find common denominators and solve problems involving repeating cycles or schedules.

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