Concatenate two primes is also prime: Difference between revisions
m
→{{header|Julia}}
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<lang julia>using Primes
function catprimes(
found, pri = Int[], primes(100)
for x in pri, y in pri
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foreach(p -> print(lpad(last(p), 5), first(p) % 16 == 0 ? "\n" : ""),
catprimes(
</lang>{{out}}<pre>
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