Descending primes: Difference between revisions
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S:=S+Format('%12.0n', [I*1.0]); |
S:=S+Format('%12.0n', [I*1.0]); |
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Inc(Cnt); |
Inc(Cnt); |
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if (Cnt mod |
if (Cnt mod 8)=0 then |
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begin |
begin |
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Memo.Lines.Add(S); |
Memo.Lines.Add(S); |
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Memo.Lines.Add('Descending Primes Found: '+IntToStr(Cnt)); |
Memo.Lines.Add('Descending Primes Found: '+IntToStr(Cnt)); |
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end; |
end; |
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{{out}} |
{{out}} |
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<pre> |
<pre> |
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2 3 5 7 31 41 43 53 |
2 3 5 7 31 41 43 53 |
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61 71 73 83 97 421 431 521 |
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541 631 641 643 653 743 751 761 |
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821 853 863 941 953 971 983 5,431 |
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6,421 6,521 7,321 7,541 7,621 7,643 8,431 8,521 |
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8,543 8,641 8,731 8,741 8,753 8,761 9,421 9,431 |
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9,521 9,631 9,643 9,721 9,743 9,851 9,871 75,431 |
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76,421 76,541 76,543 86,531 87,421 87,541 87,631 87,641 |
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87,643 94,321 96,431 97,651 98,321 98,543 98,621 98,641 |
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98,731 764,321 865,321 876,431 975,421 986,543 987,541 987,631 |
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8,764,321 8,765,321 9,754,321 9,875,321 97,654,321 98,764,321 98,765,431 |
8,764,321 8,765,321 9,754,321 9,875,321 97,654,321 98,764,321 98,765,431 |
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Descending Primes Found: 87 |
Descending Primes Found: 87 |
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</pre> |
</pre> |
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=={{header|F_Sharp|F#}}== |
=={{header|F_Sharp|F#}}== |