Question

The pairs of numbers have been factorized. Find the HCF of each pair of numbers. a) 18 = 2 x 3 x 3 20 - 2 x 2 x 5 b) 30 = 2 x 3 x 5 25 -5x5 c) 40 = 2 * 2 * 2 x 5 36 - 2 x 2 x 3 x 3​

Answer 1

Answer:

18=2*3*3

20=2*2*5

HCF=2

30=2*3*5

25=5*5

HCF=5

40=2*2*2*5

36=2*2*3*3

HCF=2*2=4