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GCD / HCF Calculator : Find Greatest Common Divisor with Euclidean Algorithm

The Calcivo GCD Calculator determines the Greatest Common Divisor (also known as Highest Common Factor, HCF) for any set of positive integers. It utilizes the Euclidean division algorithm to compute the largest shared integer divisor efficiently.

Interactive Calculator

100% Client-Side Engine
Greatest Common Divisor (GCD / HCF)
24
Euclidean Algorithm Steps
GCD(48, 72) = 24 via Euclidean Algorithm
GCD(24, 120) = 24 via Euclidean Algorithm

Step-by-Step Examples

Finding GCD of 48, 72, and 120

Finding largest common divisor among 3 numbers.

Inputs: Integers: 48, 72, 120
Result: GCD = 24

GCD(48, 72) = 24. GCD(24, 120) = 24.

How to Use This Tool

  1. Enter two or more positive integers separated by commas or spaces.
  2. Click Calculate to process the divisors.
  3. Review the GCD result and Euclidean division sequence.

Frequently Asked Questions

For any two positive integers a and b, their product equals the product of their GCD and LCM: a × b = GCD(a, b) × LCM(a, b).