RosettaCodeData/Task/Smith-numbers/J/smith-numbers-1.j
2023-07-01 13:44:08 -04:00

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102 B
Text

digits=: 10&#.inv
sumdig=: +/@,@digits
notprime=: -.@(1&p:)
smith=: #~ notprime * (=&sumdig q:)every