Enter the upper bound number: 100
Generating all primes between 2 and 100
Checking 2
  2 is prime
  4 is not prime
  6 is not prime
  8 is not prime
  10 is not prime
  12 is not prime
  14 is not prime
  16 is not prime
  18 is not prime
  20 is not prime
  22 is not prime
  24 is not prime
  26 is not prime
  28 is not prime
  30 is not prime
  32 is not prime
  34 is not prime
  36 is not prime
  38 is not prime
  40 is not prime
  42 is not prime
  44 is not prime
  46 is not prime
  48 is not prime
  50 is not prime
  52 is not prime
  54 is not prime
  56 is not prime
  58 is not prime
  60 is not prime
  62 is not prime
  64 is not prime
  66 is not prime
  68 is not prime
  70 is not prime
  72 is not prime
  74 is not prime
  76 is not prime
  78 is not prime
  80 is not prime
  82 is not prime
  84 is not prime
  86 is not prime
  88 is not prime
  90 is not prime
  92 is not prime
  94 is not prime
  96 is not prime
  98 is not prime
  100 is not prime
Checking 3
  3 is prime
  6 is not prime
  9 is not prime
  12 is not prime
  15 is not prime
  18 is not prime
  21 is not prime
  24 is not prime
  27 is not prime
  30 is not prime
  33 is not prime
  36 is not prime
  39 is not prime
  42 is not prime
  45 is not prime
  48 is not prime
  51 is not prime
  54 is not prime
  57 is not prime
  60 is not prime
  63 is not prime
  66 is not prime
  69 is not prime
  72 is not prime
  75 is not prime
  78 is not prime
  81 is not prime
  84 is not prime
  87 is not prime
  90 is not prime
  93 is not prime
  96 is not prime
  99 is not prime
Checking 4
Checking 5
  5 is prime
  10 is not prime
  15 is not prime
  20 is not prime
  25 is not prime
  30 is not prime
  35 is not prime
  40 is not prime
  45 is not prime
  50 is not prime
  55 is not prime
  60 is not prime
  65 is not prime
  70 is not prime
  75 is not prime
  80 is not prime
  85 is not prime
  90 is not prime
  95 is not prime
  100 is not prime
Checking 6
Checking 7
  7 is prime
  14 is not prime
  21 is not prime
  28 is not prime
  35 is not prime
  42 is not prime
  49 is not prime
  56 is not prime
  63 is not prime
  70 is not prime
  77 is not prime
  84 is not prime
  91 is not prime
  98 is not prime
Checking 8
Checking 9
Checking 10
Checking 11
  11 is prime
  22 is not prime
  33 is not prime
  44 is not prime
  55 is not prime
  66 is not prime
  77 is not prime
  88 is not prime
  99 is not prime
Checking 12
Checking 13
  13 is prime
  26 is not prime
  39 is not prime
  52 is not prime
  65 is not prime
  78 is not prime
  91 is not prime
Checking 14
Checking 15
Checking 16
Checking 17
  17 is prime
  34 is not prime
  51 is not prime
  68 is not prime
  85 is not prime
Checking 18
Checking 19
  19 is prime
  38 is not prime
  57 is not prime
  76 is not prime
  95 is not prime
Checking 20
Checking 21
Checking 22
Checking 23
  23 is prime
  46 is not prime
  69 is not prime
  92 is not prime
Checking 24
Checking 25
Checking 26
Checking 27
Checking 28
Checking 29
  29 is prime
  58 is not prime
  87 is not prime
Checking 30
Checking 31
  31 is prime
  62 is not prime
  93 is not prime
Checking 32
Checking 33
Checking 34
Checking 35
Checking 36
Checking 37
  37 is prime
  74 is not prime
Checking 38
Checking 39
Checking 40
Checking 41
  41 is prime
  82 is not prime
Checking 42
Checking 43
  43 is prime
  86 is not prime
Checking 44
Checking 45
Checking 46
Checking 47
  47 is prime
  94 is not prime
Checking 48
Checking 49
Checking 50
[2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97]