Newbie - Trying to Help a Friend

[Dave Angel]

On 20 Nov 2013 00:17:23 GMT, Steven D'Aprano 
<steve+comp.lang.python at pearwood.info> wrote:
> problem by hand. I'll get you started by solving the problem for 7.




> Positive integers less than 23 are 1, 2, 3, 4, 5, 6. So let's start 
> checking them for divisors:

Where did 23 come from?


> - 1 is not divisible by 2, 3 or 5, so we count one number.
> - 2 is divisible by 2, but not by 3 or 5, so we count two numbers.

2 doesn't count because it's divisible by 2. 

> - 3 is not divisible by 2, so we count three numbers.

3 doesn't count because it's divisible by 3

> - 4 is divisible by 2, but not 3 or 5, so we count four numbers

And so on.

> - 5 is not divisible by 2, so we count five numbers.
> - 6 is divisible by 2 and 3, but not by 5, so we count six numbers.


I count 1, not 6



> And the answer is: 6.

-- 
DaveA