• + 0 comments

    MS SQL Solution:

    WITH NUM AS ( SELECT 2 AS N UNION ALL SELECT N +1 FROM NUM WHERE N < 999 ) , primeNum AS ( SELECT N FROM NUM A WHERE
    NOT EXISTS ( SELECT 1 FROM NUM B WHERE A.N % B.N = 0 AND A.N != B.N ) ) SELECT STRING_AGG(N,'&') FROM primeNum OPTION(MAXRECURSION 1000)