lcm of 42,56 and 140 = 840
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the least common multiple of 42,56, and 140 is 840.
The Least Common Multiple (LCM) for 43 56 140 is 12,040.
factoring 56=2*2*2*7 140=2*2*5*7 LCM=2*2*2*5*7=280
The least common multiple of 45, 56, and 140 is 2520You can determine this by looking at the multiples of each number individually and seeing when they match.
LCM 140 and 28 is 140.