Question

Find the LCM and HCF of the following integers by applying the prime factorization method12, 15 and 21. answer plzzz.

Answer 1

Explanation:

LCM:

12 x 35 = 420: 2^2 x 3 x 5 x 7

15 x 28= 420

21 x 20 = 420

GCF: 3

12: 2^2 x 3

15: 3 x 5

21: 3 x 7