Perfect numbers: Difference between revisions
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→{{header|ALGOL 60}}
(→{{header|PL/M}}: Added alternative much faster version, translated from Action!) |
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Line 534:
integer sum, f1, f2;
sum := 1;
f1 :=
for f1 := f1 + 1 while (f1 * f1) < n do
begin
if mod(n, f1) = 0 then
Line 543:
if f2 > f1 then sum := sum + f2;
end;
isperfect := (sum = n);
end;
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