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The LCM of 28 and 1680 is 1680.
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Find least common multiple (LCM) of: 56 & 3360 14 & 840 84 & 5040 140 & 8400 4 & 240 56 & 1680 28 & 3360 84 & 1680 28 & 5040 140 & 1680 28 & 8400 196 & 1680
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