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The LCM of 21 and 672 is 672.
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Find least common multiple (LCM) of: 42 & 1344 63 & 2016 7 & 224 105 & 3360 147 & 4704 3 & 96 42 & 672 21 & 1344 63 & 672 21 & 2016 105 & 672 21 & 3360 147 & 672 21 & 4704
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