Palindromic primes: Difference between revisions
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(→{{header|Ruby}}: Add Ruby) |
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</pre> |
</pre> |
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=={{header|Ruby}}== |
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<syntaxhighlight lang="ruby">require 'prime' |
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p Prime.each(1000).select{|pr| pr.digits == pr.digits.reverse}</syntaxhighlight> |
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{{out}} |
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<pre>[2, 3, 5, 7, 11, 101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929] |
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</pre> |
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=={{header|Sidef}}== |
=={{header|Sidef}}== |
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<syntaxhighlight lang="ruby">func palindromic_primes(upto, base = 10) { |
<syntaxhighlight lang="ruby">func palindromic_primes(upto, base = 10) { |