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The LCM of 240 and 420 is 1680.
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Find least common multiple (LCM) of: 480 & 840 120 & 210 720 & 1260 80 & 140 1200 & 2100 48 & 84 1680 & 2940 480 & 420 240 & 840 720 & 420 240 & 1260 1200 & 420 240 & 2100 1680 & 420 240 & 2940
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