Nice primes: Difference between revisions
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Thundergnat (talk | contribs) →{{header|Raku}}: Alternate |
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659 673 677 691 709 727 743 761 797 821 839
853 857 887 907 911 929 941 947 977 983 997</pre>
Alternately, with somewhat better separation of concerns.
<lang perl6>sub digroot ($r) { ($r, { .comb.sum } … { .chars == 1 }).tail }
sub is-nice ($_) { .is-prime && .&digroot.is-prime }
say (500 ^..^ 1000).grep( *.&is-nice ).batch(11)».fmt("%4d").join: "\n";</lang>
Same output.
=={{header|REXX}}==
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