C program to display N prime numbers

/*************************************************************

 C program to display N prime numbers

 ***********************************************************/

 #include<stdio.h>

 #include<conio.h>

 void main()

 {

     int i,n,count=0,num;

    clrscr();

     printf("Enter number up to which you want to display prime numbers\n");

     scanf("%d",&n);

     printf("The prime numbers up to %d are \n",n);

     for(num=1;num<=n;num++)

     {

        count=0;

     

     for(i=1;i<=num;i++)

     {

         if(num%i==0)

         {

         

         count++;

         

     }

     }

     if(count==2)

    printf("%d\t",num);

     }

     printf("\nEnd of program");

    getch();

 }

Enter number up to which you want to display prime numbers

30

The prime numbers up to 30 are 

2 3 5 7 11 13 17 19 23 29

End of program