15 lines
393 B
Clojure
15 lines
393 B
Clojure
(defn prime-factors [n]
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(loop [nums (cons 2 (iterate #(+ 2 %) 3))
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factors []
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v n]
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(let [f (first nums)]
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(cond
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(= v 1) factors
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(= 0 (mod v f)) (recur nums (conj factors f) (quot v f))
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:else (recur (rest nums) factors v)))))
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;(loop [i 1]
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; (when (< i 100)
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; (println i (prime-factors i))
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; (recur (inc i))))
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(println 123 (prime-factors 123))
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