21 lines
871 B
Factor
21 lines
871 B
Factor
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USING: help.markup help.syntax ;
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IN: math.primes.factors
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{ factors count-factors unique-factors } related-words
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HELP: factors
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{ $values { "n" "a positive integer" } { "seq" "a sequence" } }
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{ $description { "Factorize an integer and return an ordered list of factors, possibly repeated." } } ;
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HELP: count-factors
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{ $values { "n" "a positive integer" } { "seq" "a sequence" } }
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{ $description { "Return a sequence of pairs representing each factor in the number and its corresponding power." } } ;
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HELP: unique-factors
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{ $values { "n" "a positive integer" } { "seq" "a sequence" } }
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{ $description { "Return an ordered list of unique prime factors." } } ;
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HELP: totient
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{ $values { "n" "a positive integer" } { "t" "an integer" } }
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{ $description { "Return the number of integers between 1 and " { $snippet "n-1" } " relatively prime to " { $snippet "n" } "." } } ;
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