Primer

This is a simple gem that prints out a multiplication table for first N prime numbers.

Installation

$ gem install duboff-primer

Usage

$ primer print 10

    |   2   3   5   7  11  13  17  19  23  29
--- | --- --- --- --- --- --- --- --- --- ---
  2 |   4   6  10  14  22  26  34  38  46  58
  3 |   6   9  15  21  33  39  51  57  69  87
  5 |  10  15  25  35  55  65  85  95 115 145
  7 |  14  21  35  49  77  91 119 133 161 203
 11 |  22  33  55  77 121 143 187 209 253 319
 13 |  26  39  65  91 143 169 221 247 299 377
 17 |  34  51  85 119 187 221 289 323 391 493
 19 |  38  57  95 133 209 247 323 361 437 551
 23 |  46  69 115 161 253 299 391 437 529 667
 29 |  58  87 145 203 319 377 493 551 667 841