int ARRAY_LENGTH = 1000;
  int j = 0;
  while (j < ARRAY_LENGTH) {
    int k = 0;
    while (k < ARRAY_LENGTH) {
      if (array[j] < array[k] && array[j] % array[k] != 0 && j != k) {
          printf("this is when it is indivisble");
      }
      k++;
    }
    j++;
  }