Question

find the HCF of 390,504,636​

Answer 1

Answer:

6

Explanation:

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Answer 2

Answer:

The HCF of 390, 504, and 636​ is 6.

Step-by-step explanation:

Given: The numbers are 390, 504, and 636​.

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 390, 504, and 636​.

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

The factors of 390 are: $1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390$

The factors of 504 are: $1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504$

The factors of 636 are: $1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636$

 From the above, we can see that 6 is the highest number among all the common factors of the given numbers.

So, the greatest common factor(HCF) is 6.