6.A = 23 × 3 × 5 B = 22 × 3 × 52 Write down the highest common factor (HCF) of A and B. Required to answer. Single line text.
(1 Point)

Given:

The two numbers are

To find:

The highest common factor (HCF) of A and B

Solution:

We have,

              ...(i)

All the factors of A are prime but the factors of B are not prime. So, it can be written as

         ...(ii)

From (i) and (ii), it is clear that 3 is the only common factor of A and B. So,

Therefore, the highest common factor (HCF) of A and B is 3.

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