1. What was the most difficult part of the reading for you?
I.... hmm... I am kind of confused by some of the different proofs that explain the infinite number of primes. I'm aware (it makes sense to me) that a prime cannot divide p1p2p3...pk+1, but I'm not sure how that is proven. I know that that isn't the most important part of those proofs, but it is something that has me caught up and distracts me. Aside from that, I struggled to follow the factorial proofs... I guess that's all I have to say about that.
2. What was the most interesting part of the reading for you?
I thought it was interesting that you could prove something about the number of primes using polynomials. I didn't follow the proof very well, but it seems interesting -- and complicated. On the other hand, the proof that made the most sense to me was the one that used the Euler phi function.
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