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The LCM of 3990 and 420 is 7980.
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Find least common multiple (LCM) of: 7980 & 840 1995 & 210 1330 & 140 798 & 84 570 & 60 7980 & 420 3990 & 840 3990 & 1260 3990 & 2100 3990 & 2940
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