The LCM of 20 and 28 is 140
20: 2*2*5
28: 2*2*7
LCM 20 and 28 =2*2*5*7
LCM: 140.
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The least common multiple of the numbers 18 and 28 is 252.
the least common multiple is 84
The Least Common Multiple of 28, 35, 20 is: 140
LCD(20, 28) = 140
140