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Question

Find the HCF and LCM of 12 and 18 and verify HCF × LCM = product of numbers. (NCERT Class 6/10 – Important)

Answer: Prime factors: 12=2²×3, 18=2×3². HCF=2×3=6, LCM=2²×3²=36. HCF×LCM=6×36=216=12×18. Verified.

Question

Find the HCF and LCM of 12 and 18 and verify HCF × LCM = product of numbers. (NCERT Class 6/10 – Important)

Answer: Prime factors: 12=2²×3, 18=2×3². HCF=2×3=6, LCM=2²×3²=36. HCF×LCM=6×36=216=12×18. Verified.