Question

The HCF of 95 and 152, is

Options

• 57

• 1

• 19

• 38

Answer 1

Using the factor tree for 95, we have: 

Using the factor tree for 152, we have:

Therefore,

`95 = 5xx19`

`152=2^3xx19`

HCF (95,152)=19

Hence the correct choice is (c).