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/jneira-4clojure-solution67.clj

Created April 29, 2011 11:29
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jneira-4clojure-solution67.clj
;; jneira's solution to http://4clojure.com/problem/67
(fn primes [n]
(letfn
[(next-prime
[prs nxt]
(if (empty? (filter #(= 0 (mod nxt %)) prs))
(conj prs nxt)
(recur prs (inc nxt))))]
(->> (iterate
(fn [prs] (next-prime prs (inc (last prs)))) [2])
(take n)
(last))))
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