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The LCM of 21 and 160 is 3360.
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Find least common multiple (LCM) of: 42 & 320 63 & 480 105 & 800 147 & 1120 42 & 160 21 & 320 63 & 160 21 & 480 105 & 160 21 & 800 147 & 160 21 & 1120
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