Question

Hcf of 120and 144

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Answer 1

Find the prime factors:

120 = 2³ x 3 x 5

144 = 2⁴ x 3²

Find the HCF:

*Pick up the highest common amount the 2 numbers

HCF = 2³ x 3 = 8 x 3 = 24

Answer: The HCF is 24.

Answer 2

HCF of 120 and 144 is 24 .