Question

Find the HCF of 300 and 450 and hence find their LCM

Answer 1

Prime factorisation method :-

300 = 2×2×3×5×5

450 = 2×3×3×5×5

Therefore, HCF = 2×3×5²

= 150

LCM × HCF = PRODUCT OF 2 NOS.

LCM × 150 = 300×450

LCM = (300×450)/150

LCM = 900

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