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## GMAT Number Properties: Greatest Common Factor

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...

## GMAT Number Properties: Divisibility and Remainders

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,...

## GMAT Number Properties: Divisibility and Prime Factors

Welcome back to our series on number properties. In this article, we cover the heart and soul of number properties: divisibility, specifically as it relates to the prime factors of integers. Here’s the all-important fact: Divisibility boils down to shared primes....

## GMAT Number Properties: Consecutive Perfect Squares

Welcome back to our series on number properties. In the last article, we explored the factors of perfect squares. This article will examine a special property of consecutive perfect squares. A commonly tested skill on the GMAT is the ability to recognize and...

## Prime Factors of Perfect Squares

Welcome back to our series on number properties. Now that you know about prime factors, it’s time to learn a special property about the prime factors of perfect squares. Perfect squares are integers that represent the product resulting when some integer is multiplied...