Skip to Main Content
This is a free sample lesson. Sign up for Magoosh to get access to over 200 video lessons.

Divisibility Rules

The content provides an in-depth exploration of divisibility rules, crucial for mastering numerical reasoning questions on the GRE exam.
  • Divisibility rules for 2 and 5 are based on the last digit of the number.
  • The rule for 4 requires examining the last two digits, while the rules for 3 and 9 involve summing all the digits of the number.
  • A number is divisible by 6 if it meets the criteria for divisibility by both 2 and 3.
  • Practical examples are provided to illustrate how each divisibility rule is applied to both simple and complex numbers.
  • Understanding these rules is essential for efficiently solving a wide range of quantitative problems on the GRE.
Introduction to Divisibility Rules
Basic Divisibility Rules: 2 and 5
Advanced Divisibility Rules: 3, 4, and 9
The Divisibility Rule for 6