prime number

Program to Find the Prime Number

 

 

#include<iostream.h>

#include<conio.h>

int main()

{
          
int num,n=0;

cout<<"Enter the number: ";

std::cin>>num;

for(int k=1;k<=num;k++)

{

if(num%k==0)

{

n++;

}

}

if(n==2)

{

std::cout<<"It is a Prime number"<<std::endl;

}

else

{

std::cout<<"It is not a Prime number "<<std::endl;

}

getch();

return 0;

}