Question

find the HCF of 42,45,48​

Answer 1

HCF IS 3

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Answer 2

Answer:

The HCF of 42, 45, and 48​​ is 3.

Step-by-step explanation:

Given: The numbers are 42, 45, and 48​​.

We have to find the HCF of the above numbers.

• As we know, the HCF (Highest Common Factor) of two or more numbers is the highest number among all the common factors of the given numbers.
• HCF is also known as the greatest common factor.

We are solving in the following way:

We have,

The numbers are 42, 45, and 48​​.

First, we will find the factors of the above numbers.

The factors of 42 are: $1, 2, 3, 6, 7, 14, 21, 42$

The factors of 45 are: $1, 3, 5, 9, 15, 45$

The factors of 48 are: $1, 2, 3, 4, 6, 8, 12, 16, 24, 48$

From the above, we can see that 3 is the highest number among all the common factors of the given numbers.

So, the greatest common factor(HCF) is 3.