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The LCM of 21 and 108 is 756.
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Find least common multiple (LCM) of: 42 & 216 63 & 324 7 & 36 105 & 540 147 & 756 42 & 108 21 & 216 63 & 108 21 & 324 105 & 108 21 & 540 147 & 108 21 & 756
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