bilangan prima in c++

#include <cstdlib>
#include <iostream>

using namespace std;
class prima {                        //deklarasi class
public :
void baca1();
void tulis1();

private :
int bil;
};

void prima::baca1(){                      //fungsi input bilangan
cout << “Masukkan bilangan bulat positif : “;
cin >> bil;
}

void prima::tulis1(){                        //fungsi pengecekan
int jum, i;
jum = 0;
for (i=1; i<=bil; i++)
if (bil%i==0)
jum++;
if (jum==2)
cout <<bil<<” Bilangan prima”;
else
cout <<bil<<” Bukan bilangan prima”;
cout<<endl;
}

int main(int argc, char *argv[])
{

prima x;
x.baca1();
x.tulis1();
system(“PAUSE”);
return EXIT_SUCCESS;
}


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