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The LCM of 210 and 4 is 420.
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Find least common multiple (LCM) of: 420 & 8 105 & 2 630 & 12 1050 & 20 1470 & 28 420 & 4 210 & 8 630 & 4 210 & 12 1050 & 4 210 & 20 1470 & 4 210 & 28
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