A Program That Read Any Integer & Test Prime Or Not Prime.

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

void main()
{
    int n,p;
    clrscr();
    cout<<"Enter any number, n = ";
    cin>>n;

    if(n<2)
       p=0;
    else
       p=1;

    for(int i=2;i<n;i++)
       if(n%i==0)
          p=0;
    if(p==1)
       cout<<n<<" is Prime number";
    else
       cout<<n<<" is not Prime number";

    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.........