Why does my compiler say invalid syntax then highlight...?

[Mensanator]

On Mar 10, 10:44�pm, Nathan Pinno <MadComputer... at gmail.com> wrote:
> Why does my compiler say invalid syntax and then highlight the
> quotation marks in the following code:
>
> # This program is to find primes.

Needs work.

##  Do you want to calculate primes? 1 = yes and 2 = no. 1
##  What number do you want to use as the final number to calculate
with? 66
##  What number do you want to start calculating primes from? 2
##  2  is not prime.            False
##  3  is prime.                True
##  4  is prime.                False
##  5  is prime.                True
##  6  is not prime.            True
##  7  is prime.                True
##  8  is not prime.            True
##  9  is not prime.            True
##  10  is not prime.           True
##  11  is prime.               True
##  12  is not prime.           True
##  13  is prime.               True
##  14  is not prime.           True
##  15  is not prime.           True
##  16  is not prime.           True
##  17  is prime.               True
##  18  is not prime.           True
##  19  is prime.               True
##  20  is not prime.           True
##  21  is prime.               False
##  22  is not prime.           True
##  23  is prime.               True
##  24  is prime.               False
##  25  is prime.               False
##  26  is not prime.           True
##  27  is not prime.           True
##  28  is not prime.           True
##  29  is prime.               True
##  30  is not prime.           True
##  31  is not prime.           False
##  32  is prime.               False
##  33  is prime.               False
##  34  is not prime.           True
##  35  is prime.               False
##  36  is not prime.           True
##  37  is not prime.           False
##  38  is not prime.           True
##  39  is prime.               False
##  40  is prime.               False
##  41  is prime.               True
##  42  is not prime.           True
##  43  is not prime.           False
##  44  is not prime.           True
##  45  is prime.               False
##  46  is not prime.           True
##  47  is prime.               True
##  48  is not prime.           True
##  49  is not prime.           True
##  50  is prime.               False
##  51  is not prime.           True
##  52  is not prime.           True
##  53  is not prime.           False
##  54  is not prime.           True
##  55  is prime.               False
##  56  is prime.               False
##  57  is not prime.           True
##  58  is not prime.           True
##  59  is not prime.           False
##  60  is prime.               False
##  61  is prime.               True
##  62  is not prime.           True
##  63  is prime.               False
##  64  is not prime.           True
##  65  is prime.               False
##  Do you want to calculate primes? 1 = yes and 2 = no. 2
##  Goodbye.