Problems on these two questions

Chris Angelico rosuav at
Mon Nov 19 03:23:37 CET 2012

On Mon, Nov 19, 2012 at 12:52 PM, su29090 <129km09 at> wrote:
> 1.Given a positive integer  n , assign True to  is_prime if  n has no factors other than  1 and itself. (Remember,  m is a factor of  n if  m divides  n evenly.)
> 2.An  arithmetic progression is a sequence of numbers in which the distance (or difference) between any two successive numbers if the same. This in the sequence  1, 3, 5, 7, ... , the distance is 2 while in the sequence  6, 12, 18, 24, ... , the distance is 6.

Each of these problems is in two halves:

a) Understanding the mathematics behind the question
b) Writing the code.

Which half are you halfing (oops sorry, *having*) trouble with? If
(a), this isn't a programming question at all - search the web for
information on the problem, as these are well-known challenges. If
(b), you'll need to post your code to get any sort of useful help - we
aren't mindreaders, though we do try to look that way sometimes!

Either way, check this out:


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