Every non-prime number is a composite number. Composite numbers are those natural numbers which have more than two factors. Such numbers are divisible by other numbers as well.
For example:
4, 6, 8, 10, 12, 14, 500, 6000 etc.
Some facts about prime numbers and composite numbers are:
1 is neither prime nor composite.
The only even number which is a prime is 2. It is the smallest prime number.
https://byjus.com/maths/even-odd-prime-composite-numbers/