Composite. All whole numbers ending in four are composite.
Chat with our AI personalities
4, which is the square of the prime number 2, is the smallest composite number.
It ends in a 4 and therefore is divisible by 2, which means it is not a prime number. It is a composite number.
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 4 is composite.
Composite
composite; 2 and 4 are its factors