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The LCM of 21 and 980 is 2940.
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Find least common multiple (LCM) of: 42 & 1960 63 & 2940 105 & 4900 147 & 6860 3 & 140 42 & 980 21 & 1960 63 & 980 21 & 2940 105 & 980 21 & 4900 147 & 980 21 & 6860
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