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The LCM of 28 and 72 is 504.
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Find least common multiple (LCM) of: 56 & 144 14 & 36 84 & 216 140 & 360 196 & 504 56 & 72 28 & 144 84 & 72 28 & 216 140 & 72 28 & 360 196 & 72 28 & 504
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