Question

Find H.C.F by prime factorization method. (a) 12,20. (b) 16, 14​

Answer 1

a. 12 = 2 x 2 x 3

20 = 2 x 2 x 5

hcf = 4

b. 16 = 2 x 2 x 2 x 2

14 = 2 x 7

hcf = 2

Answer 2

Step-by-step explanation:

prime factorisation of

12=2*2*3

20=2*2*5

so hcf is 2x2

HCF=4.

prime factorisation of

16=2*2*2*2

14=2*7

so hcf is 2

HCF=2

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