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The LCM of 640 and 60 is 1920.
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Find least common multiple (LCM) of: 1280 & 120 320 & 30 1920 & 180 3200 & 300 128 & 12 4480 & 420 1280 & 60 640 & 120 1920 & 60 640 & 180 3200 & 60 640 & 300 4480 & 60 640 & 420
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