Question

find the lcm and hcf of 120 and 144 by using fundamental theorem of arithmetic
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Answer 1

Answer:

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Answer-

As 120<144

144=120 x 1 + 24

120= 24 × 5+ 0

24 is the HCF of 144 and 120.

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144= 2 x 2 x 2 x 2 x 3 x 3

120= 2 x 2 x 2 x 3 x 5

LCM= 2 x 2 x 2 x 2 x 3 x 3 x 5

= 720

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Answer 2

Step-by-step explanation:

120 = 2 x 2 x 2 x 3 x 5

144 = 2 x 2 x 3 x 3 x 2 x 2

HCF = 2 x 2 x 2 x 3 = 8 x 3 = 24

LCM = 2 x 2 x 2 x 2 x 3 x 3 x 5

        = 16 x 9 x 5

        = 720

Hope it helps!!

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