Question

Find the HCF of the following numbers by prime factorization method :
(a) 25, 40
(b) 60, 72
(c) 81, 117 (d) 144, 198
(e) 42, 70, 84
(f) 24, 45, 57
(g) 48, 54,90 (h) 144, 180, 192​

Answer 1

Answer:

a) 5

b) 12

c) 9

d) 18

e) 7

f) 3

g) 6

h) 12