Find adjacent primes which differ by a square integer: Difference between revisions
Find adjacent primes which differ by a square integer (view source)
Revision as of 09:51, 8 March 2023
, 1 year agoadded Arturo
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Drkameleon (talk | contribs) (added Arturo) |
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997877 - 997813 = 64
</pre>
=={{header|Arturo}}==
<syntaxhighlight lang="arturo">squares: map 7..15 'x -> x*x
primes: select 1..1000000 => prime?
loop.with:'i primes\[0..(size primes)-2] 'p [
next: primes\[i+1]
if contains? squares next-p ->
print [pad to :string next 6 "-" pad to :string p 6 "=" next-p]
]</syntaxhighlight>
{{out}}
<pre> 89753 - 89689 = 64
107441 - 107377 = 64
288647 - 288583 = 64
368021 - 367957 = 64
381167 - 381103 = 64
396833 - 396733 = 100
400823 - 400759 = 64
445427 - 445363 = 64
623171 - 623107 = 64
625763 - 625699 = 64
637067 - 637003 = 64
710777 - 710713 = 64
725273 - 725209 = 64
779477 - 779413 = 64
801947 - 801883 = 64
803813 - 803749 = 64
821741 - 821677 = 64
832583 - 832519 = 64
838349 - 838249 = 100
844841 - 844777 = 64
883871 - 883807 = 64
912167 - 912103 = 64
919511 - 919447 = 64
954827 - 954763 = 64
981887 - 981823 = 64
997877 - 997813 = 64</pre>
=={{header|AWK}}==
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