RosettaCodeData/Task/Repunit-primes/Julia/repunit-primes.jl

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2023-07-01 11:58:00 -04:00
using Primes
repunitprimeinbase(n, base) = isprime(evalpoly(BigInt(base), [1 for _ in 1:n]))
for b in 2:40
println(rpad("Base $b:", 9), filter(n -> repunitprimeinbase(n, b), 1:2700))
end