2011 AMC 12B Problem 5
Problem 5 of 25EasierNumber Theory
Let be the second smallest positive integer that is divisible by every positive integer less than What is the sum of the digits of
Answer choices
Show solution
Solution
A number divisible by every integer from to must be a multiple of
The second smallest positive multiple of is whose digit sum is
Thus, the correct answer is A.
Tagged: least common multiple · digits