HCF (GCD) Calculator

Find the Highest Common Factor / Greatest Common Divisor of two or more numbers with step-by-step Euclidean algorithm.

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Separate numbers with commas, spaces, or new lines (minimum 2 numbers)

Method

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Highest Common Factor

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Calculation Breakdown

Step-by-step solution

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HCF

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Numbers

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Method

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Status

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Formula Reference

HCF/GCD methods

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HCF Tips

Understanding greatest common divisors

🔢 Mathematical Disclaimer: HCF/GCD is the largest positive integer that divides each of the numbers without a remainder. Results are for educational purposes.