## The GMAT/MBA Library

Explore the world's largest collection of GMAT prep and MBA admissions content.

#### Use Rules of Divisibility to Save Time on GMAT Quant Questions

by Economist GMAT Tutor on November 14, 2017

Learning the rules of divisibility is a worthwhile investment of your time.

#### Executive Assessment: Quant Strategies for Faster Solutions – Part 2

by Manhattan Prep on November 4, 2017

Don't miss Stacey's key takeaways for EA testing cases on Data Sufficiency.

#### Land Your Score: Divisibility Rules for the GMAT

by Kaplan GMAT on October 6, 2016

Use these tips to refresh your multiplication and division knowledge.

#### Mastering Divisibility in GMAT Quant Questions

by Economist GMAT Tutor on June 1, 2016

Remember these general principles of divisibility and these questions will become much easier.

#### The GMAT Avengers Challenge of the Week: Number Properties

by Sorin Istrate on March 29, 2016

Can you solve this week's Avengers challenge?

#### Decoding Number Properties on the GMAT – Part 3

by Manhattan Prep on January 5, 2016

Don't miss Stacey's key takeaways for divisibility and primes on the GMAT.

#### Decoding Number Properties on the GMAT – Part 2

by Manhattan Prep on December 28, 2015

Deep dive into Divisibility and Prime issues on the GMAT.

#### Decoding Divisibility and Prime on the GMAT – Part 1

by Manhattan Prep on December 27, 2015

Don't miss Stacey's key takeaways for divisibility and primes on the GMAT.

#### The GCD/LCM Formula

by GMAT Prep Now on September 14, 2015

In the last two articles, we learned how to find the greatest common divisor (GCD) and the least common multiple (LCM). In this video, we [...]

#### Least Common Multiples on the GMAT

by GMAT Prep Now on September 13, 2015

In this video, we examine two useful strategies for finding the least common multiple (LCM). We also practice finding pairs of numbers with a certain [...]

#### Greatest Common Divisors (Factors) on the GMAT

by GMAT Prep Now on September 12, 2015

In this video, we examine two different strategies for finding the greatest common divisor. We also practice finding pairs of numbers that have a certain [...]

#### Prime Numbers on the GMAT

by GMAT Prep Now on September 10, 2015

The GMAT tests your knowledge of prime numbers in many different ways. In this two-video article, we’ll examine some important properties of prime numbers. To begin, [...]

#### Breaking Down Divisibility and Prime Factor Questions

by Economist GMAT Tutor on June 16, 2015

Understand questions involving factoring and prime numbers by breaking them down into easy-to-digest pieces.