Practical numbers: Difference between revisions
Content added Content deleted
m (→{{Header|Python}}: Huge mem saver.) |
(→{{Header|Python}}: found is set) |
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| Line 63: | Line 63: | ||
f = factors5(x) |
f = factors5(x) |
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ps = powerset(f) |
ps = powerset(f) |
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found = |
found = {y for y in {sum(i) for i in ps} |
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if 1 <= y < x |
if 1 <= y < x} |
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return len(found) == x - 1 |
return len(found) == x - 1 |
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