Question

Find the lcm and hcf of 120 and 144 by using fundamental theorems of arithmetic

Answer 1

120=2^3*3*5
144=2^4*3^2
hcf= 2*3= 6
lcm= 2^4*3^2*5
      =620

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

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