Here is a relatively easy number properties problem solving question.
What is the largest 3 digit number to have an odd number of factors?
Correct Answer : Choice D. 961
A perfect square has an odd number of factors.
Of the numbers in the list, the largest 3 digit perfect square is 961 (312).
Hence, Choice D is the correct answer.
Labels: divisors, factors, GMAT Number Properties, GMAT Number Theory, GMAT Numbers