From: Tim Becker <a2800276@...>
Date: 2006-05-16T15:58:06+09:00
Subject: Re: stack level too deep (SystemStackError)

>         eval = numbers.last
>                 if isprime(eval) == false  #
>                         numbers.pop          #
>                         add = factor(eval)   #unindent this bit
>                         numbers.push(add) #
>                 end                                  #
>         end # get rid of this.


then it works.
  -tim