Prime numbers which contain 123: Difference between revisions

=={{header|Arturo}}==

<lang rebol>upTo100K: select select 2..99999 => odd? => prime?

upTo1M: upTo100K ++ select select 100001..999999 => odd? => prime?

contains123?: function [x] -> contains? to :string x "123"

loop split.every:10 select upTo100K => contains123? 'a ->

print map a => [pad to :string & 5]

print ""

print ["'123' Numbers < 1000000:" size select upTo1M => contains123?]</lang>

{{out}}

<pre> 1123 1231 1237 8123 11239 12301 12323 12329 12343 12347

12373 12377 12379 12391 17123 20123 22123 28123 29123 31123

31231 31237 34123 37123 40123 41231 41233 44123 47123 49123

50123 51239 56123 59123 61231 64123 65123 70123 71233 71237

76123 81233 81239 89123 91237 98123

'123' Numbers < 1000000: 451</pre>