LCMArray.java

public class LCMArray {

    //function to find gcd

    static int gcd( int a , int b) {

        while ( b != 0) {

            int temp = b;
            b = a % b;
            a = temp;
        }

        return a;
    }

    // function to find lcm of two numbers 

    static int lcm( int a , int b) {
        return ( a * b) / gcd( a, b);
    }

    //function to find lcm of array

    static int findLCM(int arr[]) {

        int result = arr[0];
        for ( int i = 1; i < arr.length; i++) {
            result = lcm(result , arr[i]);
        }

        return result;
    }

    public static void main(String[] args) {

        int arr[] = { 1, 2, 8, 3};
        int lcm = findLCM(arr);
        System.out.println(" LCM of array = " + lcm);
        
    }

    
    
}