Question

The common factors of $8,12$ and $20$ are …………………………. , …………………………. , and …………………………. .

Answer 1

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

Since factors of $8=1,2,4,8$

Factors of $12=1,2,3,4,6,12$

Factors of $20=1,2,4,5,10,20$

Hence, common factors of $8,12$ and $20$ are $1,2$and $4$