Number of common factors of 360 and 18144 are
6
10
8
9
360 = 23 x 32 x 5 18144 = 25 x 34 x 7 Therefore, the common factors are 1,2,3,4,6,9,12,18,36,72
Find the HCF of 360 and 18144 by prime factorization.