1) For any two given numbers n1 and n2 , the product of the numbers is equal to the product of their LCM and HCF .But this is not true in case of three numbers.
LCM × HCF = n1 × n2 .

2) The HCF of the given number is always a factor of the LCM .
factor of LCM = HCF


Exercise
1) The product of HCF and LCM is 19800. If one of the number is 220 find the other number.

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2)The product of pair of number is 500. Find the LCM if the HCF is 10.

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3)The product of pair of number is 1000. Find the HCF if the LCM is 100.

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4) The product of pair of number is 300. Find the product of HCF and LCM.

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5) The product of HCF and LCM is 384. If one number is 48 find the other number .

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