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The LCM of 420 and 342 is 23940.
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Find least common multiple (LCM) of: 840 & 684 210 & 171 1260 & 1026 140 & 114 2100 & 1710 2940 & 2394 840 & 342 420 & 684 1260 & 342 420 & 1026 2100 & 342 420 & 1710 2940 & 342 420 & 2394
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