#include<stdio.h>
#include<conio.h>
int main()
{
int num1, num2, hcf, i;
clrscr();
printf("Enter two numbers:\n");
scanf("%d%d", &num1, &num2);
for(i=1;i<=num1;i++)
{
if(num1%i==0 && num2%i==0)
{
hcf = i;
}
}
if(hcf == 1)
{
printf("%d and %d are CO-PRIME NUMBERS.", num1, num2);
}
else
{
printf("%d and %d are NOT CO-PRIME NUMBERS.", num1, num2);
}
getch();
return(0);
}
Output
Run 1:
-------
Enter two numbers:
13 ↲
10 ↲
13 and 10 are CO-PRIME NUMBERS.
Run 2:
-------
Enter two numbers:
15 ↲
10 ↲
15 and 10 are NOT CO-PRIME NUMBERS.