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The LCM of 21 and 490 is 1470.
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Find least common multiple (LCM) of: 42 & 980 63 & 1470 105 & 2450 147 & 3430 3 & 70 42 & 490 21 & 980 63 & 490 21 & 1470 105 & 490 21 & 2450 147 & 490 21 & 3430
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