p4.c

  1 #include <stdio.h>
  2 int main(void)
  3 {
  4         unsigned int number_of_primes, test_int, latest_prime, div, input;
  5         _Bool isPrime;
  6         #define TRUE 1
  7         #define FALSE 0
  8
  9         test_int = 1;
 10         number_of_primes = 0;
 11
 12         printf("For which prime number do you want to know the value?\n");
 13         scanf("%u", &input);
 14
 15         do
 16         {
 17                 test_int++;
 18                 isPrime = TRUE;
 19                 for(div=2; div < test_int; div++)
 20                 {
 21                         if(test_int%div == 0)
 22                         {
 23                                 isPrime = FALSE;
 24                                 break;
 25                         }
 26                 }
 27                 if(isPrime == TRUE)
 28                 {
 29                         number_of_primes++;
 30                         latest_prime = test_int;
 31                 }
 32         }
 33         while(number_of_primes < input);
 34
 35
 36         printf("That Prime Number = %u\n", latest_prime);
 37
 38         return 0;
 39 }