HCF(15, 20) = 5.
wrong
it is 5
The hcf of 15 and 20 is 5
The GCF is 3.
The GCF is 5.
5
The GCF is 5.
The GCF is 5.
The hcf is 15.
15
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 HCF is: 15
The hcf is 4