Canadian Forces Aptitude Test (CFAT) Practice 2026 – The All-in-One Guide to Exam Success!

The number "2" is characterized primarily as an even number, which means it is divisible by 2 without any remainder. When identifying if a number is even, one simply checks if it can be expressed as 2n, where n is an integer. In the case of 2, it can be expressed as 2 multiplied by 1 (2 × 1 = 2), confirming its status as an even number.

Additionally, "2" has other notable properties; it is the only even prime number, which means that while it is also classified as prime, the distinguishing feature in this context arises from its evenness. Unlike odd numbers, which leave a remainder of 1 when divided by 2, or composite numbers that have more than two distinct positive divisors, "2" stands alone as the smallest and only even prime number.

Understanding these characteristics provides a deeper insight into how numbers are categorized in mathematics, establishing clarity in distinguishing between even and odd, as well as prime and composite classifications.