Question

the LCM of 12,15,20,27​

Answer 1

Answer:

30 is the lcm of 12,15,20,27

Answer 2

12= 2×2×3 = 2²×3

15= 3×5

20= 2×2×5 = 2²×5

27= 3×3×3 = 3³

∴LCM= Product of each prime factor with highest power

= 2²×3³×5 = 540

i.e., LCM(12,15,20,27) =540