Question

$75,60$ and $210$ have common factors as : …………… , ……………. , ……………. , and ……………. .

Answer 1

The common factors are the factors that are common between the given numbers.

Since factors of $75=1,3,5,15,25,75$

Factors of $60=1,2,3,5,12,15,30,60.$

Factors of $210=1,2,3,5,7,10,15,21,42,30,35,70,105,210$

Hence, common factors of $75,60$ and $210$are $1,3,5$ and $15.$