Square-free integers: Difference between revisions
→{{header|Julia}}
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<lang julia>using Primes
const maxrootprime = Int64(floor(sqrt
sqprimes = map(x ->
possdivisorsfor(n) = vcat(filter(x -> x <= n / 2, sqprimes), n in sqprimes ? n : [])
issquarefree(n) = all(x -> floor(n / x) != n / x, possdivisorsfor(n))
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