Largest proper divisor of n: Difference between revisions
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27 41 1 42 17 43 29 44 1 45
13 46 31 47 19 48 1 49 33 50
</pre>
=={{header|Lua}}==
{{Trans|ALGOL 68}}
<syntaxhighlight lang="lua">
for n = 1, 100 do -- show the largest proper divisors for n = 1..100
local largestProperDivisor, j = 1, math.floor( n / 2 )
while j >= 2 and largestProperDivisor == 1 do
if n % j == 0 then
largestProperDivisor = j
end
j = j - 1
end
io.write( string.format( "%3d", largestProperDivisor ) )
if n % 10 == 0 then io.write( "\n" ) end
end
</syntaxhighlight>
{{out}}
<pre>
1 1 1 2 1 3 1 4 3 5
1 6 1 7 5 8 1 9 1 10
7 11 1 12 5 13 9 14 1 15
1 16 11 17 7 18 1 19 13 20
1 21 1 22 15 23 1 24 7 25
17 26 1 27 11 28 19 29 1 30
1 31 21 32 13 33 1 34 23 35
1 36 1 37 25 38 11 39 1 40
27 41 1 42 17 43 29 44 1 45
13 46 31 47 19 48 1 49 33 50
</pre>
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