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The LCM of 42 and 1680 is 1680.
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Find least common multiple (LCM) of: 84 & 3360 21 & 840 126 & 5040 14 & 560 210 & 8400 6 & 240 84 & 1680 42 & 3360 126 & 1680 42 & 5040 210 & 1680 42 & 8400 294 & 1680
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