As an even number greater than 2, 1818 is divisible by 2 and therefore composite. Its positive integer factors are:
1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818
It is a composite number.
It is a composite number.284 is a composite number
94 is a composite number
It is a composite number.
It is a composite number.
It is a composite number.
It is a composite number.
It is a composite number.
It is a composite number.
It is a composite number.
It is a composite number.
It is a composite number.