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IKMC 2018 - Grades 11-12 - Self-study Question 18

IKMC · IKMC 2018 - Grades 11-12 - Self-study

Question 18

Which number is not a factor of $18^{2017}+18^{2018}$?
  1. 8
  2. 18
  3. 28
  4. 38
  5. 48