Question 14
Find the greatest integer $n$ for which $2018!/20^n$ is a positive integer.
HKIMO 2017 THPT (Grades 10–12 shared) National Final (Heat) Set 04 Question 14
HKIMO · HKIMO 2017 THPT (Grades 10–12 shared) National Final (Heat) Set 04
HKIMO · HKIMO 2017 THPT (Grades 10–12 shared) National Final (Heat) Set 04