Q17 of 57 Page 31

If the HCF of two numbers 306 and 657 is 9 then find their LCM.

We know the basic relation:

HCF × LCM = 1st Number × 2nd Number


1st Number = 306


2nd Number = 657


HCF = 9


LCM = (306 × 657) / 9


= 34 × 657 [as 306 / 9 = 34]


= 22,338


So LCM = 22338


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