Best Answer

To find the HCF, you first have to express both numbers as the product of their prime factors:

15 = 3x5

20 = 2x2x5

The next step is to identify any common prime factors. In this case both numbers have a 5 as a prime factor. Therefore the HCF of 15 and 20 is 5.

Lvl 1

thanks

More answers

Lvl 1

5

Lvl 1

Thank u so much

Lvl 1

2and5

Lvl 1

das

Q: What are the HCF of 15 and 20?

Write your answer...

Submit

Still have questions?

Continue Learning about Basic Math

The GCF is 5.

The GCF is 5.

The hcf is 15.

HCF is the highest common factor of two or more numbers. HCF of 20 and 200 is 20.

HCF is the highest common factor of two or more numbers. HCF of 9 and 15 is 3.

Related questions

The GCF is 5.

it is 5

The hcf of 15 and 20 is 5

The GCF is 5.

5

The GCF is 5.

The GCF is 5.

The hcf is 15.

15

HCF is the highest common factor of two or more numbers. HCF of 20 and 200 is 20.

The GCF is 15.

hcf(5, 15) = 5 lcm(5, 15) = 15.