Question

What is the hcf of 33,99 and 121 pls ans

Answer 1

Step-by-step explanation:

HCF of 99, 33 and 121 is 11.

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Answer 2

Answer: GCF(33, 99, 121) = 11.

Explanation:

• By Euclid's division lemma:

Taking 99 and 121.

121 = 99 × 1 + 22

(We will process till r = 0.)

99 = 22 × 4 + 11

22 = 11 × 2 + 0

∴ HCF(99, 121) = 11.

Now, taking 11 and 33.

33 = 11 × 3 + 0.

Therefore, HCF of 33, 99, 121 = 11.

• By Fundamental Thm of Arithmetic:

33 = 11 × 3

99 = 11 × 3²

121 = 11²

So, HCF = 11¹ or 11.