Question

Find the HCF of 81
and 63​

Answer 1

Answer:

9

Step-by-step explanation:

Factors of :

81=3×3×3×3

63=3×3×7

Therefore,HCF of 81 and 63=3×3=9

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Answer 2

Answer:

BY Euclid division Lemma,

81 = 63x1 + 18

→ 63 = 18x3 + 9

→ 18 = 9x2 + 0

HENCE HCF of 81 and 63 is 9