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Arithmetic/Rational: Difference between revisions
→{{header|Ruby}}
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Line 2,363:
<lang ruby>require 'rational' #Only needed in Ruby < 1.9
for candidate in 2 .. 2**19
sum = Rational(1, candidate)
for factor in 2 ... candidate**0.5
Line 2,375:
end
end</lang>
{{out}}
<pre>
Sum of recipr. factors of 6 = 1 exactly perfect!
Sum of recipr. factors of 28 = 1 exactly perfect!
Sum of recipr. factors of 120 = 2 exactly
Sum of recipr. factors of 496 = 1 exactly perfect!
Sum of recipr. factors of 672 = 2 exactly
Sum of recipr. factors of 8128 = 1 exactly perfect!
Sum of recipr. factors of 30240 = 3 exactly
Sum of recipr. factors of 32760 = 3 exactly
Sum of recipr. factors of 523776 = 2 exactly
</pre>
=={{header|Scheme}}==
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