De Polignac numbers: Difference between revisions
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The 10000th de Polignac number is 273421
</pre>
=={{header|Mathematica}}/{{header|Wolfram Language}}==
{{trans|Julia}}
<syntaxhighlight lang="Mathematica">
IsDePolignac[n_Integer] := Module[{twoPows},
If[EvenQ[n], Return[False]];
twoPows = 2^Range[0, Floor[Log2[n]]];
Not[Or @@ (PrimeQ[n - #] & /@ twoPows)]
]
DePolignacs[] := Module[{naturals = 1},
Select[Table[naturals++, {i, 1, 280000}], IsDePolignac]
]
dePolignacNumbers = DePolignacs[];
Print["The first 50 de Polignac numbers:", Take[dePolignacNumbers, 50]];
Print["The 1000th de Polignac number is ", dePolignacNumbers[[1000]]];
Print["The 10000th de Polignac number is ", dePolignacNumbers[[10000]]];
</syntaxhighlight>
{{out}}
<pre>
The first 50 de Polignac numbers:{1, 127, 149, 251, 331, 337, 373, 509, 599, 701, 757, 809, 877, 905, 907, 959, 977, 997, 1019, 1087, 1199, 1207, 1211, 1243, 1259, 1271, 1477, 1529, 1541, 1549, 1589, 1597, 1619, 1649, 1657, 1719, 1759, 1777, 1783, 1807, 1829, 1859, 1867, 1927, 1969, 1973, 1985, 2171, 2203, 2213}
The 1000th de Polignac number is 31941
The 10000th de Polignac number is 273421
</pre>
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