The GCF is 1.
The greatest common factor (usually abbreviated GCF) of 15, 35, and 20, is 5.
The GCF is 5.
The GCF is 5.
it is 5
The hcf of 15 and 20 is 5
The GCF is 5.
The answer is 5.
The GCF is 25.
The GCF is 5.
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.
5 (leaves you with 2, 4 and 7)