Question

Find the lcm and hcf of 840 adn 144 by applying the fundamental theorem of arithmetic

Answer 1

840 = 2×2×2×3×5×7
144 = 2×2×2×2×3×3

HCF = 2×2×2×2
= 24
LCM = 2×2×2×2×3×3×5×7
= 5040

Hope it helps.