C++ Program to Print First n Prime Numbers using For Loop
Write C++ Program to Print First n Prime Numbers using For Loop
// CPP Program to Print First n Prime Numbers using For Loop
#include <iostream>
#include <stdbool.h>
using namespace std;
bool isPrime(int n)
{
if(n == 1 || n ==0)
return false;
int i;
for(i = 2; i < n; i++)
{
if(n % i == 0)
{
return false;
}
}
return true;
}
int main()
{
int n;
cout << "Enter the number :--> ";
cin >> n;
int i = 1 ;
cout << "First " << n << " Prime Numbers are :--> ";
int Count = 0;
i = 2;
for(; Count < n; )
{
if(isPrime(i))
{
cout << i << " ";
Count++;
}
i++;
}
return 0;
}
Output:
Enter the number :--> 7
First 7 Prime Numbers are :--> 2 3 5 7 11 13 17