\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
  1. Prove that every natural integer \(n \geq 2\) that is not prime admits a prime divisor \(p\) such that \(2 \le p \le \sqrt{n}\).
  2. Show that the integer \(53\) is a prime number.

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