Fri, Jul 30, 2010, 03:31:54 AM
by itsrebeccahj

#include <iostream>
using namespace std;
void primeGen(int n)
{
bool prime;
int i, j;
for(i = 2; i < n;i++)
{
prime = true;
for(j = 2; j < i; j++)
{    
if( (i % j) == 0 )  
{
prime = false;
}
}
if(prime)
{
cout << i << " ";
}
}
}    
int main()
{
int n;
cout << "Enter your integer to find the prime numbers of: ";
cin  >> n;
cout << "The prime numbers between 0 and 20 are:\n";
primeGen(n);
return 0;
}

Fri, Jul 30, 2010, 03:28:52 AM
by itsrebeccahj

#include <iostream>

using namespace std;

void primeGen(int n)
{
   bool prime;
   int i, j;

 for(i = 2; i < n;i++)
 {
  prime = true;
  for(j = 2; j < i; j++)
   {    
    if( (i % j) == 0 )  
     {
     prime = false;
     }
   }
   if(prime)
    {
   cout << i << " ";
    }
 }
}
   
int main()
{

int n;

   cout << "Enter your integer to find the prime numbers of: ";
   cin  >> n;

   cout << "The prime numbers between 0 and 20 are:\n";
primeGen(n);

   return 0;
}

...............