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RecursiveCalculation.java

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import java.io.*;

public class RecursiveCalculation {

public static void main(String[] args) throws IOException {

RecursiveCalculation ob = new RecursiveCalculation();

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

System.out.println("ENTER A NUMBER = ");

int m = Integer.parseInt(br.readLine());

System.out.println("ENTER 2nd NUMBER = ");

int n = Integer.parseInt(br.readLine());

int h, l;

h = ob.hcf(m, n);

System.out.println(h);

l = ob.lcm(m, n);

System.out.println(l);

}

int hcf(int a, int b) {

if (a == 0)

return b;

else

return hcf(b % a, a);

}

int lcm(int a, int b) {

return ((a * b) / hcf(a, b));

}

}