Find the LCM as a product of prime numbers

Question 1:

A = 2× 3 3 B = 3 4

LCM = 2× 3 4

Question 2:

A = 2 3 ×3×5 B = 2 5 ×3

LCM = 2 5 ×3×5

Question 3:

A = 2 2 × 3 2 ×5 B = 2×3× 5 2

LCM = 2 2 × 3 2 × 5 2

Question 4:

A = 5 3 B = 2 2 × 5 2

LCM = 2 2 × 5 3