How to code if two numbers are co-prime or not?

C code for two numbers to check if they are co-prime or not

Question: How can we understand if two numbers are coprime or not?

Ans: A Prime Number is defined as a Number which has no factor other than 1 and itself. But, Co-prime Numbers are Considered in pairs and two Numbers are Co-prime if they have a Common factor as 1 only. Their HCF is 1.

Now come to the main point that is how to code it in C language so that we can get the correct output.

C code snippet:

#include<stdio.h>
int main (){
    int num1,num2,hcf;
    printf("Enter the first number: ");
    scanf("%d",&num1);
    printf("Enter the second number: ");
    scanf("%d",&num2);
    for(int 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);
    }
    return 0;
}

Input & Output:

Comments

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