Question

1. Find the HCF of the following by prime factorisation.
(i) 81 and 27
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Answer 1

factors of 81 = 3 × 3 × 3 × 3

factors of 27 = 3 × 3 × 3

HCF = 3 × 3 × 3

= 27

HCF = 27

Step-by-step explanation:

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