Write a program that read any integer & test prime or not prime (5).

#include<stdio.h>
#include<conio.h>

void main()
{
    int n,i,p,t;
    clrscr();
    printf("Enter any number, n = ");
    scanf("%d",&n);

    if(n<2)
       p=0;
    else
    {
       p=1;
       t=n/2;
       for(i=2;i<=t;i++)
          if(n%i==0)
          {
             p=0;
         break;
          }
    }

    if(p==1)
       printf("%d is Prime number",n);
    else
       printf("%d is not Prime number",n);

    getch();
}

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Copy & paste this code in your TC & run, then you will get output.......
If you have any problem please comment below.........