Neighbour primes: Difference between revisions
→{{header|Ksh}}
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Line 531:
np=$(_neighbourprime ${i} parr)
(( np > 0 )) && printf "%3d %3d %6d\n" ${parr[i]} ${parr[i+1]} ${np}
done</lang>{{out}}<pre>
p q p*q+2
--- --- -----
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