Semiprime: Difference between revisions

Line 2,201:

`factor #{n}`.split(' ')[1..-1].map(&:to_i).size == 2

end

n = 2**64 - 1 #~~18446744073709551615~~

n = 2**72 - 1 #4722366482869645213695

(n-50..n).each { |n| puts "#{n} -> #{semiprime(n)}" }</lang>

<pre>~~18446744073709551565~~ -> false

<pre>4722366482869645213645 -> false

4722366482869645213646 -> false

18446744073709551566 -> true

~~18446744073709551567~~ -> false

4722366482869645213647 -> false

~~18446744073709551568~~ -> false

4722366482869645213648 -> false

~~18446744073709551569~~ -> false

4722366482869645213649 -> false

~~18446744073709551570~~ -> false

4722366482869645213650 -> false

4722366482869645213651 -> true

18446744073709551571 -> false

~~18446744073709551572~~ -> false

4722366482869645213652 -> false

~~18446744073709551573~~ -> false

4722366482869645213653 -> false

~~18446744073709551574~~ -> false

4722366482869645213654 -> false

~~18446744073709551575~~ -> false

4722366482869645213655 -> false

~~18446744073709551576~~ -> false

4722366482869645213656 -> false

4722366482869645213657 -> false

18446744073709551577 -> true

~~18446744073709551578~~ -> false

4722366482869645213658 -> false

~~18446744073709551579~~ -> false

4722366482869645213659 -> false

~~18446744073709551580~~ -> false

4722366482869645213660 -> false

~~18446744073709551581~~ -> false

4722366482869645213661 -> false

~~18446744073709551582~~ -> false

4722366482869645213662 -> false

4722366482869645213663 -> true

18446744073709551583 -> false

~~18446744073709551584~~ -> false

4722366482869645213664 -> false

~~18446744073709551585~~ -> false

4722366482869645213665 -> false

~~18446744073709551586~~ -> false

4722366482869645213666 -> false

~~18446744073709551587~~ -> false

4722366482869645213667 -> false

~~18446744073709551588~~ -> false

4722366482869645213668 -> false

~~18446744073709551589~~ -> false

4722366482869645213669 -> false

~~18446744073709551590~~ -> false

4722366482869645213670 -> false

~~18446744073709551591~~ -> false

4722366482869645213671 -> false

~~18446744073709551592~~ -> false

4722366482869645213672 -> false

4722366482869645213673 -> true

18446744073709551593 -> false

~~18446744073709551594~~ -> false

4722366482869645213674 -> false

~~18446744073709551595~~ -> false

4722366482869645213675 -> false

~~18446744073709551596~~ -> false

4722366482869645213676 -> false

4722366482869645213677 -> false

18446744073709551597 -> true

~~18446744073709551598~~ -> false

4722366482869645213678 -> false

~~18446744073709551599~~ -> false

4722366482869645213679 -> false

~~18446744073709551600~~ -> false

4722366482869645213680 -> false

4722366482869645213681 -> false

18446744073709551601 -> true

~~18446744073709551602~~ -> false

4722366482869645213682 -> false

~~18446744073709551603~~ -> false

4722366482869645213683 -> false

~~18446744073709551604~~ -> false

4722366482869645213684 -> false

~~18446744073709551605~~ -> false

4722366482869645213685 -> false

~~18446744073709551606~~ -> false

4722366482869645213686 -> false

~~18446744073709551607~~ -> false

4722366482869645213687 -> false

~~18446744073709551608~~ -> false

4722366482869645213688 -> false

4722366482869645213689 -> true

18446744073709551609 -> false

~~18446744073709551610~~ -> false

4722366482869645213690 -> false

~~18446744073709551611~~ -> false

4722366482869645213691 -> false

~~18446744073709551612~~ -> false

4722366482869645213692 -> false

~~18446744073709551613~~ -> false

4722366482869645213693 -> false

~~18446744073709551614~~ -> false

4722366482869645213694 -> false

~~18446744073709551615~~ -> false</pre>

4722366482869645213695 -> false</pre>

=={{header|Rust}}==