C++ : CONTOH PROGRAM BILANGAN PRIMA

Listing program :

# include
# include

void main()
{
 int k;
cout<<"masukkan sebuah bilangan = "; cin>>k;

 if ((k%2==1) || (k%3==1) || (k%5==1) || (k%7==1))
cout<<"bilangan prima ";
else
     cout<<"bukan bilangan prima";
 }