Question

find the hcf of 12,15 ,18 by listing the common factors​

Answer 1

Step-by-step explanation:

Find the highest common factor (H.C.F) of 12 and 18.

Factors of 18 = 1, 2, 3, 6, 9 and 18. Therefore, common factor of 12 and 18 = 1, 2, 3 and 6. Highest common factor (H.C.F) of 12 and 18 = 6 [since 6 is the highest common factor].

Answer 2

Step-by-step explanation:

factors of 18= 1,2,3,6,9 and 18

comman factors of 12and 18= 1,2,3,,

6

HCF is =6