/var/www/vhost/pliskta21/docroot/php/prvocisla2.php:15:
array (size=21)
  0 => int 11
  1 => int 13
  2 => int 17
  3 => int 19
  4 => int 23
  5 => int 29
  6 => int 31
  7 => int 37
  8 => int 41
  9 => int 43
  10 => int 47
  11 => int 53
  12 => int 59
  13 => int 61
  14 => int 67
  15 => int 71
  16 => int 73
  17 => int 79
  18 => int 83
  19 => int 89
  20 => int 97
11
13
17
19
23
29
31
37
41
43
47
53
59
61
67
71
73
79
83
89
97