Lcm of two number in java

public class Main {
  public static void main(String[] args) {

    int n1 = 72, n2 = 120, lcm;

    // maximum number between n1 and n2 is stored in lcm
    lcm = (n1 > n2) ? n1 : n2;

    // Always true
    while(true) {
      if( lcm % n1 == 0 && lcm % n2 == 0 ) {
        System.out.printf("The LCM of %d and %d is %d.", n1, n2, lcm);
        break;
      }
      ++lcm;
    }
  }
}

Source: programiz.com

Lcm of two number in java

public class Main {
  public static void main(String[] args) {

    int n1 = 72, n2 = 120, gcd = 1;

    for(int i = 1; i <= n1 && i <= n2; ++i) {
      // Checks if i is factor of both integers
      if(n1 % i == 0 && n2 % i == 0)
        gcd = i;
    }

    int lcm = (n1 * n2) / gcd;
    System.out.printf("The LCM of %d and %d is %d.", n1, n2, lcm);
  }
}

Source: programiz.com

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