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1987 AMC 12 Question 23

AMC12 · 1987 AMC 12

Question 23

If $p$ is a prime and both roots of $x^2+px-444p=0$ are integers, then
  1. $1\lt p\le11$
  2. $11\lt p\le21$
  3. $21\lt p\le31$
  4. $31\lt p\le41$
  5. $41\lt p\le51$