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Primality by trial division: Difference between revisions
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return true ;
}</lang>
=={{header|Delphi}}==
<lang Delphi>
function IsPrime(aNumber: Integer): Boolean;
var
I: Integer;
begin
Result:= True;
if(aNumber = 2) then Exit;
Result:= not ((aNumber mod 2 = 0) or
(aNumber <= 1));
if not Result then Exit;
for I:=3 to Trunc(Sqrt(aNumber)) do
if(aNumber mod I = 0) then
begin
Result:= False;
Break;
end;
end;
</lang>
=={{header|E}}==
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