Question

We can also find the HCF of three numbers as follows:

Step-1: Find the HCF of a and b. Call this x.
Step-2: Find the HCF of x and c.
For example, let’s find the HCF of 24, 36 and 42. Complete the following:

Step-1: HCF(24, 36)=
Step-2: HCF(
, 42)=
Hence, HCF(24, 36, 42)=

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