Question

find the h c f of 42 and 84 by prime factorization methad​

Answer 1

Answer:

How to find the GCF of 42 and 84

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 gcf of 42 and 84.

gcf(42,84) = 42.

Step-by-step explanation:

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Answer 2

Answer:

42

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

hcf(42,84) = 42