Question

Find the factors,common factors and the HCF​

Answer 1

Answer:

4

Step-by-step explanation:

Factors of 12 are 1,2,3,4,6,12

Factors of 16 are 1,2,4,8,16

Factors of 20 are 1,2,4,5,10,20

So common factors are 1,2,4

HCF=4