What is an integer?

An integer is a whole number that can be either positive, negative, or zero. It includes all the counting numbers (1, 2, 3, ...), their negative counterparts (-1, -2, -3, ...), and zero (0).

To understand what an integer is, you can think of it as a point on the number line. For example, the number 1 is an integer because it represents the position one unit to the right of zero, while -1 is an integer because it represents the position one unit to the left of zero.

If you are looking for an answer to the question "What is an integer?" in a more general sense, you can refer to a reliable source such as a math textbook or an online educational website. These sources usually provide definitions, examples, and further explanations to help you gain a better understanding of integers.