# What is The HCF of 15 and 20

The Highest common factor of two or more numbers is the largest possible number which divides the given numbers exactly without any remainder.

## Answer: HCF of 15 and 25 is 5

## Explanation:

HCF(15,25) can be found by the following methods

- Listing the common factors method
- Long division Method

### How To Find HCF of 15 and 25 by Listing the Common Factors

Common Factors of 15 and 25: 1 and 5. The highest of all the common factors is 5

HCF of 15 and 25 is 5

### How To Find HCF of 15 and 25 by Long Division

- Divide 25 by 15 and check the remainder.
- Make the remainder of the above step as the divisor and the divisor of the above step as the dividend and perform the long division again.
- Continue till you get the remainder as 0

HCF or the highest common factor can be calculated in any of the above methods but the end result of HCF will be the same.