Mathematics for IGCSE & O level - Number (Section 2 - No. 14)
Which of the following statements regarding the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) is correct?
HCF is always greater than LCM.
LCM is always a factor of HCF.
The product of HCF and LCM of two numbers equals the product of the two numbers.
HCF and LCM are the same number if the two numbers are different.
Explanation
The product of the HCF and LCM of two numbers will always equal the product of the two original numbers. (HCF * LCM = Number 1 * Number 2)
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