Question

find the HCF of 54 and 81 using prime factors​

Answer 1

Answer:

9 is the HCH of 54 and 81

Step-by-step explanation:

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Answer 2

Answer:

54 = 2 × 27 = 2 × 3 × 9 = 2 × 3 × 3 × 3. 81 = 3 × 27 = 3 × 3× 9 = 3 × 3 × 3 × 3. 99 = 11 × 9 = 11 × 3 × 3. Factors common to all three numbers is 3 × 3