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2021 AMC 10D Question 8

AMC10 · 2021 AMC 10D

Question 8

The greatest prime number that is a divisor of $16{,}384$ is $2$ because $16{,}384 = 2^{14}.$ What is the sum of the digits of the greatest prime number that is a divisor of $16{,}383?$
  1. $ 3 $
  2. $ 7 $
  3. $ 10 $
  4. $ 16 $
  5. $ 22 $