July 17, 2015
Factors and multiples are ubiquitous on the GMAT, it seems that just about every question can either be solved or simplified by using these concepts. While they are different concepts, I felt that they are so inter-related that they should be included together.
First, you must be able to distinguish between the two. As far as the GMAT is concerned, factors are less than or equal to a number while multiples are greater than or equal to a number (This is for the GMAT only - we will discuss i...