Question

Find the LCM of 21 and 27

Answer 1

factorization of 21

21 = 3 × 7

factorization of 27

27 = 3 × 3 × 3

LCM = 3 × 3 × 3 × 7

LCM = 189

Answer 2

The correct Answer:

LCM = 189

for the values:

27, 21