C Program to Print First n Prime Numbers using For Loop
Write a Program to Print First n Prime Numbers using While Loop
// C Program to Print First n Prime Numbers using While Loop
#include <stdio.h>
#include <stdbool.h>
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;
printf("Enter the number :--> ");
scanf("%d", &n);
int i = 1 ;
printf("First %d Prime Numbers are :--> ", n);
int count = 0;
i = 2;
for(; count < n; )
{
if(isPrime(i))
{
printf("%d ",i);
count++;
}
i++;
}
return 0;
}
Output:
Enter the number :--> 7
First 7 Prime Numbers are :--> 2 3 5 7 11 13 17