C++ Program To Find Prime Numbers

#include<iostream.h>

#include<conio.h>

void main()

{

clrscr();

int number,count=0;

cout<<"ENTER NUMBER TO CHECK IT IS PRIME OR NOT ";

cin>>number;

for(int a=1;a<=number;a++)

{

if(number%a==0)

{

count++;

}

if(count==2)

{

cout<<" PRIME NUMBER \n";

}

else

{

cout<<" NOT A PRIME NUMBER \n";

}

getch();

}