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The LCM of 57 and 20 is 1140.
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Find least common multiple (LCM) of: 114 & 40 171 & 60 285 & 100 399 & 140 114 & 20 57 & 40 171 & 20 57 & 60 285 & 20 57 & 100 399 & 20 57 & 140
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