Question

Using prime factorization method find thehcf of the following numbers

a)40,48and72

Answer 1

Answer:

8....................................

Answer 2

Answer:

40 = 2 x 2 x 2 x 5 = 2³ x 5¹

48 = 2 x 2 x 2 x 2 x 3 = 2⁴ x 3¹

72 = 2 x 2 x 2 x 3 x 3 = 2³ x 3²

Hence HCF = 2³ = 8

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