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The LCM of 420 and 39 is 5460.
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Find least common multiple (LCM) of: 840 & 78 1260 & 117 140 & 13 2100 & 195 2940 & 273 840 & 39 420 & 78 1260 & 39 420 & 117 2100 & 39 420 & 195 2940 & 39 420 & 273
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