If a number is 2² x 3¹ x 5⁰ and b is 2² x 3¹ x 5¹ then hcf of a, b is?

If a number is 2² x 3¹ x 5⁰ and b is 2² x 3¹ x 5¹ then hcf of

1.	If a number is 2² x 3¹ x 5⁰ and b is 2² x 3¹ x 5¹ then hcf of a, b is?
A.	2² x 3¹ x 5¹
B.	2² x 3² x 5²
C.	2¹ x 3¹ x 5⁰
D.	2² x 3² x 5⁰
Answer» D. 2² x 3² x 5⁰