Question

HCF prime factorisation method of 20 and 45​

Answer 1

Answer:

The prime factorization of 20 is: 2 x 2 x 5. The prime factorization of 45 is: 3 x 3 x 5. The prime factors and multiplicities 20 and 45 have in common are: 5. 5 is the gcf of 20 and 45.

Answer 2

5 is the H.C.F of 20 and 45.

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