Nicely done

It's more like a 7 kyu.

100 %

No, 117 = 3313 and 117 ** 0.5 is about 10, so if you break the while loop, you won't find 13! But if you want to find out is a number prime, that will help.

=)))

скорее даже 8 так как на синтаксисе js это почти базовая задача

How is this a 6 kyu? More like a 7 kyu to me.

too easy as a 6 kyu

lol I didin't know this method islnum exists

This is more like a 7 kyu.

I think so. My solution applies Legendre's formula and it takes under 600 ms to run the attempts.

This kata is about 5 kyu in my opnion

Very elegant!

very efficient

sorry guys i dont undestand. I am given a query function,but i dont know N at all. where do i get N from?
Kind regards
Marco