Question

How find the common factor of hcf by prime factorization?

Answer 1

Hello dear

Your answer :-----

For example :-

By prime factorization,

25 = 1, 5, 25
45 = 1, 3, 5, 9, 15, 45

So,
Common factor in 25 and 45 is 1 and 5.

HCF means highest common factor

Hence,
(Highest common factor) HCF in 25 and 45 is 5.


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