Question

If a and b are two odd prime numbers, show that a^2-b^2 is composite​

Answer 1

Step-by-step explanation:

a^2-b^2=(a+b)(a-b)

factors of a^2-b^2=1,a^2-b^2,(a+b)(a-b)

a^2-b^2 are composite numbers because they

have factors more than two