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GCD.java

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package MathPrograms;

import java.util.Scanner;

// Greatest Common Divisor

public class GCD {

// minimum of two numbers

public static int min(int a, int b) {

return a < b ? a : b;

}

// GCD calculation

public static int gcdCalculate(int x, int y) {

int m = min(x, y), gcd = 1; // because 1 is common divisor for any number

for (int i = m; i > 0; --i) {

if (x % i == 0 && y % i == 0) {

gcd = i;

break;

}

}

return gcd;

}

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.print("Enter the first number : ");

int first = sc.nextInt();

System.out.print("Enter the Second number : ");

int second = sc.nextInt();

long result = gcdCalculate(first, second);

System.out.println("GCD of Number " + first + " And " + second + " = " + result);

sc.close();

}

}