Substring primes: Difference between revisions

Content added Content deleted
(→‎{{header|Phix}}: I'll get it right inthe end...)
(Reduced tests to 15)
Line 7: Line 7:


;Advanced:
;Advanced:
Solve by testing at most 23 numbers for primality. Show a list of all numbers tested that were not prime.
Solve by testing at most 15 numbers for primality. Show a list of all numbers tested that were not prime.
<br><br>
<br><br>