## 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

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

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

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

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

Use these tips to refresh your multiplication and division knowledge.

#### Mastering Divisibility in GMAT Quant Questions

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

#### The GMAT Avengers Challenge of the Week: Number Properties – Part 3

Can you solve this week's Avengers challenge?

#### The GMAT Avengers Challenge of the Week: Number Properties – Part 2

Can you solve this week's Avengers challenge?

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

Can you solve this week's Avengers challenge?

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

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

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

Deep dive into Divisibility and Prime issues on the GMAT.

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

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

#### The GCD/LCM Formula

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

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

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

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

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