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