find the lcm and hcf of 56,96 and 120 by prime factorisation method
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56-2 x 2 x 2 x 7
96- 2 x 2 x 2 x 2 x 2 x 3
120- 2 x 2 x 2 x 3 x 5
taking out common hence lcm = 8
and hcf=2
96- 2 x 2 x 2 x 2 x 2 x 3
120- 2 x 2 x 2 x 3 x 5
taking out common hence lcm = 8
and hcf=2
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