Question

Find the LM and HCF of the following integer by applying the prime factorisation
12. 15 and 21
m
17,23 m
(
m
ands
​

Answer 1

12 = 2 × 2 × 3

15 = 3 × 5

21 = 3 × 7

HCF = 3

LCM = 3 × 2 × 2 × 5 × 7

LCM = 420

Answer 2

hi friend your answer is here--->

please mark me as brainliest