What is the LCM of 18 28 and 48?

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18 = 2 x 3 x 3 28 = 2 x 2 x 7 48 = 2 x 2 x 2 x 2 x 3 2 is a common factor and occurs 4 times in 48, 3 occurs twice and 7 occurs only once so LCM = 2x2x2x2x3x3x7 = 1008

What is the LCM of 28 168?

28 is a factor of 168 {28 x 6 = 168}, so the LCM is 168

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What is the LCM of 28 56 63?

504. 28 = 7 x 2 x 258 = 7 x 2 x 2 x 263 = 7 x 3 x 3 so you need to multiply 7 x 2 x 2 x 2 x 3 x 3 = 504

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