Product of min and max prime factors: Difference between revisions
Product of min and max prime factors (view source)
Revision as of 07:46, 30 October 2022
, 1 year agoAdd BCPL
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9 82 6889 14 85 86 87 22 7921 10
91 46 93 94 95 6 9409 14 33 10</pre>
=={{header|BCPL}}==
<syntaxhighlight lang="bcpl">get "libhdr"
manifest $( MAX = 100 $)
let sieve(prime, max) be
$( let p = 2
0!prime := false
1!prime := false
for i = p to max do i!prime := true
while p*p <= max
$( let c = p*p
while c <= max
$( c!prime := false
c := c + p
$)
p := p + 1
$)
$)
let lofac(prime, n) =
n=1 -> 1,
valof for f = 2 to n
if f!prime & n rem f=0 resultis f
let hifac(prime, n) =
n=1 -> 1,
valof for f = n to 2 by -1
if f!prime & n rem f=0 resultis f
let start() be
$( let prime = vec MAX
sieve(prime, MAX)
for i = 1 to MAX
$( writed(lofac(prime, i) * hifac(prime, i), 6)
if i rem 10 = 0 do wrch('*N')
$)
$)</syntaxhighlight>
{{out}}
<pre> 1 4 9 4 25 6 49 4 9 10
121 6 169 14 15 4 289 6 361 10
21 22 529 6 25 26 9 14 841 10
961 4 33 34 35 6 1369 38 39 10
1681 14 1849 22 15 46 2209 6 49 10
51 26 2809 6 55 14 57 58 3481 10
3721 62 21 4 65 22 4489 34 69 14
5041 6 5329 74 15 38 77 26 6241 10
9 82 6889 14 85 86 87 22 7921 10
91 46 93 94 95 6 9409 14 33 10</pre>
=={{header|C}}==
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