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Factors of an integer: Difference between revisions
→{{header|Crystal}}
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=={{header|Crystal}}==
{{trans|Ruby}}
Brute force and slow, by checking every value
<lang ruby>struct Int
def factors() (1..self).select { |n| (self % n).zero? } end
end</lang>
Faster, by only
<lang ruby>struct Int
def factors
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