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Q.

The HCF of 36, 27 and 80

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a

2

b

3

c

1

d

5

answer is C.

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Detailed Solution

Write each number as a product of its prime factors.

22 x 32 = 36

33 = 27

24 x 5 = 80

The product of all common prime factors is the HCF

The common prime factors in this example are none.

So, HCF is 1.

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