Check Prime Number Using C Language

 #include <stdio.h>


int main(void) {

  int n,i,flag=0;

  printf("enter a number :- ");

  scanf("%d",&n);

   if(n==0||n==1)

   {

     flag=1;

   }

  for(i=2;i<=n/2;i++)

    {

      if(n%i==0)

      {

        flag=1;

        break;

        

      }

    }

  if(flag==0)

  {

    printf("its a prime number ");

  }

  else

    printf("it's not a prime number ");

  return 0;

}

🔗Link : https://replit.com/@AquaLeagen/Check-prime-number?s=app

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