Find the LCM as a product of prime numbers

Question 1:

A = 2 3 ×5 B = 2 2 × 3 2 ×5

LCM = 2 3 × 3 2 ×5

Question 2:

A = 2 2 × 3 3 B = 2 4 × 3 2

LCM = 2 4 × 3 3

Question 3:

A = 2 2 × 3 3 B = 2× 3 4

LCM = 2 2 × 3 4

Question 4:

A = 2 3 ×3 B = 2 2 × 3 3

LCM = 2 3 × 3 3