#include <stdio.h>
int checkPrimeNumber(int n);
int main() {
int n1, n2, i, flag;
printf("Enter two positive integers: ");
scanf("%d %d", &n1, &n2);
if (n1 > n2) {
n1 = n1 + n2;
n2 = n1 - n2;
n1 = n1 - n2;
}
printf("Prime numbers between %d and %d are: ", n1, n2);
for (i = n1 + 1; i < n2; ++i) {
flag = checkPrimeNumber(i);
if (flag == 1) {
printf("%d ", i);
}
}
return 0;
}
int checkPrimeNumber(int n) {
int j, flag = 1;
for (j = 2; j <= n / 2; ++j) {
if (n % j == 0) {
flag = 0;
break;
}
}
return flag;
}
