The number 1 is:
Answer: C
A prime number is a natural number greater than 1 with exactly two distinct positive divisors: 1 and itself. Since 1 only has one divisor (1), it is not prime.
A composite number is a natural number that has at least one divisor other than 1 and itself. Since 1 does not fit this definition, it is not composite.
Therefore, 1 is a special case and is considered neither prime nor composite.