Question

If HCF of two numbers be 40 then which of the following cannot be their LCM. 
20
40
80
160​

Answer 1

Answer:

20 cannot be their LCM

Step-by-step explanation:

Answer 2

Answer:

We know that , HCF of a number is always a factor of their LCM..

Therefore from the above options we can conclude that all the options can be divisible by 40... So, there is no any no. that can't be the LCM of the following options...

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