Question

the lcm of two number is 1800. which of the following cannot be their hcf a) 500 b) 300 c) 200 d) 100​

Answer 1

We know that HCF of two numbers is always a factor of their LCM

Of the given options, only 500 is not a factor of 1800

So, 500 cannot be the HCF of the two numbers.

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