Answer the following with reference to prime and composite numbers.
a. (i) Define a prime number and a composite number.
b. (ii) State the Fundamental Theorem of Arithmetic.
c. (iii) Express 84 as a product of its prime factors.
d. (iv) Express 210 as a product of its prime factors.
e. (v) Comment on the uniqueness of the prime factorizations obtained in parts (iii) and (iv).