The integers are a set of numbers consisting of all negative whole numbers, all positive whole numbers, and zero. These are a subset of the real numbers.

## Quick facts about the integers

advertisement

Many problems in mathematics involve working with integers. The following are some quick facts about this set of numbers.

- Zero is an integer.
- All even and positive numbers are integers (since they are whole numbers).
- The product of two integers is an integer.
- The sum or difference of two integers is an integer.
- The symbol \(\mathbb{Z}\) is often used to represent the set of integers.

## Subscribe to our Newsletter!

We are always posting new free lessons and adding more study guides, calculator guides, and problem packs.

Sign up to get occasional emails (once every couple or three weeks) letting you know what's new!