Question

find HCF of 86 30 and 120 by using long division​

Answer 1

ANSWER IS IN THE ATTACHMENT

Step-by-step explanation:

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Answer 2

Given numbers,

$86,30,120$

In order to find out the HCF( highest common factor),

We have to write the factors of each individual number.

Factors of  $86=1,2,43,86$

Factors of $30=1,2,3,5,6,10,15,30$

Factors of $120=1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120$

The common factors in all the three numbers are $1,2$

In order to find out the HCF, we have to multiply the common factors.

$1\times2$

$2$

Therefore, HCF of $86,30,120$ is 2