Natural numbers having more than two factors are called Composite numbers.
- 4, 6, 8, 9, 10, 12, 14, 15, 16, 18… are composite numbers.
- Number 1 is neither prime nor composite number.
- All even number except 2 are composite numbers.
- Every natural number except 1 is either prime or composite number.
- There are infinite prime numbers and infinite composite numbers.