C program for prime numbers between 1 to n

#include<stdio.h>

int main(){

    int num,i,count,n;

    printf("Enter max range: ");

    scanf("%d",&n);

    for(num = 1;num<=n;num++)

    {

         count = 0;

         for(i=2;i<=num/2;i++)

           {

             if(num%i==0)

              {

                 count++;

                 break;

              }

        }

         if(count==0 && num!= 1)

             printf("%d ",num);

    }

  

   return 0;

}

Sample output:

Enter max range: 50

2 3 5 7 11 13 17 19 23 29 31 37 41 43 47