by Apex Marketing | Nov 22, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. This article will introduce GMAT quant problems that revolve around the relationships between the digits of multi-digit integers. This topic can be tricky because we all know how the base-10 system works, but this...
by Apex Marketing | Nov 16, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. In the last article, we learned how to find the greatest common factor/divisor of a set of integers. This article will cover the related topic of the least common multiple. The least common multiple (LCM) of a set of...
by Apex Marketing | Nov 16, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. This article will cover everything you need to know about the term “greatest common factor” or “greatest common divisor.” These terms refer to the greatest/highest/largest positive integer that is a factor or divisor...
by Apex Marketing | Nov 8, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. In the last article, we introduced remainders. This time we will address my favorite use of remainders on GMAT quant: day of the week problems. Have you ever encountered a problem like this? June 25, 1982, fell on a...
by Apex Marketing | Nov 2, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. In this article, we deal with the fallout of failed divisibility: remainders. Remainders exist whenever an integer is divided by another integer that is not one of its factors. When integer n is divided by integer x,...