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Q: What is the hcf of 10 15 and 20?

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The GCF is 5.

The GCF is 5.

The GCF is 5.

HCF is the highest common factor of two or more numbers. HCF of 20 and 30 is 10.

LCM is 20 and the hcf is 10

The hcf of 15 and 20 is 5

It is: 5

it is 5

The GCF is 5.

It is: 5

10

It is: 10

It is 10

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.

The GCF is 5.

5

1

The GCF is 10.

The GCF is 5.

It is not possible to give a sensible answer to this question. The highest common factor (HCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question!

5 and 30, respectively.

2 and 20 have an HCF of 2 and an LCM of 20. You could also use 4 and 10.

15... 165/15= 11 and 150/15= 10

The HCF is '10'

10.

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