Question

Find the HCF of 12,45 and 45​

Answer 1

Method1: HCF of 12, 45 and 75 by Prime Factorization

Let us represent 12, 45 and 75 as a product of its prime numbers

HCF of12 , 45 and 75

we can see that 3 is common to the prime factorization of 12,45 and 75,

Therefore HCF of 12, 45 and 75 is 3

Method2: HCF of 12, 45 and 75 by Listing the Common Factors

Here let us list all the common factors and identify the biggest number among them

We see that part from 1, 3 is the greatest number common to the factors of 12, 45 and 75 hence HCF of 12, 45 and 75 is 3

Therefore, HCF of 12, 45 and 75 is 3

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Answer 2

Answer:

3 is right answer

Step-by-step explanation:

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