The least common multiple of 45, 56, and 140 is 2520
You can determine this by looking at the multiples of each number individually and seeing when they match.
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the least common multiple of 42,56, and 140 is 840.
lcm of 42,56 and 140 = 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
LCM 140 and 28 is 140.