Question

HCF by the prime factorisation method 42 and 84​

Answer 1

Answer:

The answer is:

Step-by-step explanation:

The prime factorization of 42 is: 2 x 3 x 7. The prime factorization of 84 is: 2 x 2 x 3 x 7. The prime factors and multiplicities 42 and 84 have in common are: 2 x 3 x 7. 2 x 3 x 7 is the HCF of 42 and 84.

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Answer 2

Answer:

42

Step-by-step explanation: