Composite numbers k with no single digit factors whose factors are all substrings of k: Difference between revisions
Composite numbers k with no single digit factors whose factors are all substrings of k (view source)
Revision as of 16:17, 21 August 2023
, 9 months ago→{{header|Scala}}
Line 1,333:
def iter(n: Int, start: Int): Boolean = {
val limit = math.sqrt(n).floor.toInt
(start to limit by 2).dropWhile(n % _ > 0).headOption match {
case Some(v) if v < 10 => false
case Some(v) =>
Line 1,359:
15317 59177 83731 119911 183347 192413 1819231 2111317 2237411 3129361
5526173 11610313 13436683 13731373 13737841 13831103 15813251 17692313 19173071 28118827
time elapsed:
</pre>
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