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## GMAT Number Properties: Multiples and Consecutive Integers

Welcome back to our series on number properties. The last two articles introduced GMAT quant problems that revolve around place value in multi-digit integers. This article returns to the “divisibility and factors” core of number properties. But now we are looking at...

## GMAT Number Properties: Switching Digits

Welcome back to our series on number properties. In the last article, we learned about place-value problems. This article will cover the related topic of switching digits in two-digit integers. Here are some examples of what that means: Place-value problems 75...

## GMAT Divisibility Rules

Welcome back to our series on number properties. Last time we got familiar with prime factors as the substance of divisibility. In this article, we will extend this understanding by highlighting logical rules that sometimes come into play on GMAT number properties...

## GMAT Factors Problem – 700 Level GMAT Question

GMAT Factors Problem Hey guys! Today we’re going to take a look at one of my favorite problems. It’s abstract, it’s oddly phrased and in fact the hardest part for many folks on this problem is simply understanding what’s being asked for. The...

## A Primer on Primes

By: Rich Zwelling (Apex GMAT Instructor) Date: 30th March 2021 As I said in my previous post, GMAT Prime Numbers are my favorite topic. This is because not only are they inherently interesting mathematically but they show up in unexpected circumstances on GMAT...