Question

the set of all possible factors of 18, 30 and 36 then make a set of their common factors and find the H.C.F . please explain briefly​

Answer 1

HCF = 6

Explanation:

Listing the factors of each number

18 is 1, 2, 3, 6, 9, 18

30 is 1, 2, 3, 5, 6, 10, 15, 30

36 is 1, 2, 3, 4, 6, 9, 12, 18, 36

common factors are 1, 2, 3, 6

the HCF is 6