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The LCM of 21 and 133 is 399.
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Find least common multiple (LCM) of: 42 & 266 63 & 399 105 & 665 147 & 931 3 & 19 42 & 133 21 & 266 63 & 133 21 & 399 105 & 133 21 & 665 147 & 133 21 & 931
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