Question

Find the HCF of the following numbers. (a) 45,30 (b)25,30 (c)48,54​

Answer 1

Answer:

a)

Factors

45= 5 x 3 x 3

30= 5 x 3 x 2

HCF= 5 x 3= 15

b)

Factores

25= 5 x 5

30= 5 x 3 x 2

HCF= 5

c)

Factores

48= 2 x 2 x 2 x 2 x 3

54= 2 x 3 x 3 x 3

HCF= 2 x 3 = 6