GCD (HCF) • LCM • LCD — One Click

Enter integers separated by commas (e.g., 12, 18, 30). HCF = GCD. LCD = LCM of denominators.

Tip: Press Enter.
Results will appear below.

GCD (HCF)

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LCM

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LCD

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Formulas: Euclidean GCD: gcd(a,b)=gcd(b,a mod b). LCM for two numbers: lcm(a,b)=|a·b|/gcd(a,b). For multiple numbers, reduce left-to-right. LCD is the LCM of denominators.