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The LCM of 21 and 161 is 483.
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Find least common multiple (LCM) of: 42 & 322 63 & 483 105 & 805 147 & 1127 3 & 23 42 & 161 21 & 322 63 & 161 21 & 483 105 & 161 21 & 805 147 & 161 21 & 1127
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