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lcm(49, 63, 21) = 441

49 = 7^2

63 = 3^2 x 7

21 = 3 x 7

lcm = 3^2 x 7^2 = 441

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โˆ™ 2014-10-04 14:00:38
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Q: What is the LCM for 49 63 and 21?
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