Hello!
To generate a prime numbers multiplication table, please do the following steps:
To install the gems needed. Run bundle install from the root directory of this program.
To generate a table run the following command:
./prime_numbers_table.rb <number_of_prime_numbers>
e.g.
./prime_numbers_table.rb 10
will generate
+----+----+----+-----+-----+-----+-----+-----+-----+-----+-----+
| | 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 |
+----+----+----+-----+-----+-----+-----+-----+-----+-----+-----+
In order to run the tests:
bundle exec rspec spec/prime_numbers_table_spec.rb