Smarandache prime-digital sequence: Difference between revisions
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=={{header|Phix}}==
{{libheader|Phix/mpfr}}
Optimised. As noted on the Factor entry, candidates>10 must end in 3 or 7 (since they would not be prime
if they ended in 2 or 5), which we efficiently achieve by alternately adding {4,-4}. Digits to the left
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