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program primzahlsuche;
uses crt;
const MAX = 1000 ;
DEFAULT = 0;
var prim_feld : array[1..MAX] of word;
i,j : longint;
begin
clrscr;
for i:=1 to max do
prim_feld[i]:=i;
for i:=2 to (MAX/2) do
for j:=2 to (MAX/2) do
if (i*j)<= MAX then
begin
prim_feld[i*j]:=DEFAULT;
end;
for i:=1 to max do
begin
if prim_feld[i]<>DEFAULT then write(prim_feld[i],' ');
end;
readkey;
end.
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