Additive primes: Difference between revisions

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=={{header|langur}}==
<syntaxhighlight lang="langur">val .isPrime = fn(.i) .i == 2 or .i > 2 and not any fn(.x) .i div .x, pseries 2 .. .i ^/ 2
not any fn(.x) .i div .x, pseries 2 .. .i ^/ 2
 
val .sumDigits = fn(.i) fold ffn{+}, s2n string .i
 
writeln "Additive primes less than 500:"
885

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