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Program Discussion :: Basics
Home > Programs > Basics

315. Write a program using command line arguments to input two number and find the LCM of the number. 

Condition:
If the entered number is less than 2 print the message and exit.

Answer:

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char * argv[])
{
  int n1,n2,x,y;
  if (argc == 1 || argc > 3)
  {
    printf("Enter Two Number\r\n");
    exit(0);
  }
  x=atoi(argv[1]);
  y=atoi(argv[2]);
  n1 = x; n2 = y;
  while(n1!=n2){
      if(n1>n2)
           n1=n1-n2;
      else
      n2=n2-n1;
  }
  printf("L.C.M of %d & %d = %d \r\n",x,y,x*y/n1);
  return 0;
}

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