Question

find HCF by prime factorization 1) 54,63,72​

Answer 1

Answer:

The HCF of 54, 63 and 72 is 9.

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Answer 2

Answer:

9

Step-by-step explanation:

54=2×3×3×3

63=3×3×7

72=2×2×2×3×3

So,the common factors are 3×3=9

Therefore,the answer is 9

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