Divisibility Rules
Menu
Divisibility Rule for 3
What Is the Divisibility Rule for 3?
A number is divisible by 3 if the sum of its digits is divisible by 3. This video explains why this is, and demonstrates how to use the rule, with examples.
Video Player is loading.
This is a modal window.
The media could not be loaded, either because the server or network failed or because the format is not supported.