Question

find the lcm by prime factorisation method 16,12,18

Answer 1

heya Mate here is your answer

$16 = 2 \times 2 \times 2 \times 2 \\ 12 = 2 \times 2 \times 3 \\ 18 = 2 \times 3 \times 3$

LCM = 2×2×2×2×3×3 = 16 × 9 = 144

hope it helps you

Answer 2

Heya user☺☺

16= 2×2×2×2

12= 2×2×3

18= 2×3×3

Now, letw take out all the highest common terms.

So,

LCM = 2^4 × 3^2
= 16 × 9
= 144.

Hope thiw works.

Thanks for using brainly.