Which is the definition of composite numbers?

The definition of composite numbers is indeed whole numbers greater than one that have more than two factors. A composite number can be divided evenly by numbers other than just one and itself, meaning it has at least one additional factor. For example, the number 4 is composite because it can be divided evenly by 1, 2, and 4; the extra factor (2) distinguishes it from prime numbers, which only have two distinct factors—one and itself.

In contrast, options that mention having only one factor or possessing exactly two factors pertain to different classifications of numbers. A number with only one factor is not typically classified in this context since it does not meet the criteria for being a composite or prime number. Whole numbers with exactly two factors describe prime numbers, which are distinct from composite numbers. Lastly, prime numbers do not define composite numbers, further clarifying the differences between these mathematical categories. This understanding highlights why option C accurately captures the essence of composite numbers.