Question

3. Find the LCM of the following by division
method:
(1) 18, 36, 60, 72
(ii) 20, 25, 30, 50
(ii) 48, 56, 105, 225 (iv) 8, 12, 20, 30, 80
(v) 9, 12, 18, 24, 27 (vi) 22, 54, 108, 135, 198​

Answer 1

Answer:-

i. LCM = 2×3×3×2×2×5

= 360

ii. LCM = 5×2×5×2×3

= 300

iii. LCM = 3×2×5×2×7×2×2×5

= 8400

iv. LCM = 2×2×5×3×2×2

= 240

v. LCM = 3×3×2×2×2×3

= 216

vi. LCM = 2×3×3×11×3×2×5

= 5940