## The GMAT/MBA Library

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

#### GMAT Sample Questions for You to Practice

Test your GMAT skills with these practice problems.

#### Properties of Integers: Breaking Numbers into Primes

Keep this tool in mind when questions seem to be too difficult to solve in the two minutes you have.

#### Simplifying GMAT Fractions

By simplifying many of the Fraction questions become much, much more manageable.

#### Combinations: Consider The Grouping with the Slot Method

Consider the slot method—your path to the right answer may be simpler than you think.

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

Can you solve this week's Avengers challenge?

#### How to Handle Square Roots in GMAT Properties of Integers Questions

Remembering this rule will help you to solve seemingly very difficult questions quickly.

#### 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?

#### Land Your Score: Quantitative Reasoning Problems – Part 2

Learn how to find the number of positive integer factors for a given number.

#### Land Your Score: Quantitative Reasoning Problems – Part 1

Find out how you can improve your Problem Solving skills.

#### 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.

#### Tackling Least Common Multiples and Greatest Common Factors

Follow these simple steps to make even questions involving large numbers succumb to your charms.

#### 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 [...]