Least Common Multiple (LCM) for 14 3 is 42.
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You do not have LCMs of fractions or decimals. Because if you did so, any number could be an LCM. Eg 3 could be an LCM with multiple 3/4.7 = 0.6383 and 3/14 = 0.2143 (to 4 dp)
To find the Least Common Multiple (LCM) of 3, 7, and 14, we first list the prime factors of each number: 3 = 3, 7 = 7, and 14 = 2 x 7. Then, we take the highest power of each prime factor that appears in any of the numbers: 2 x 3 x 7 = 42. Therefore, the LCM of 3, 7, and 14 is 42.
The Least Common Multiple (LCM) of 12, 14, and 3 is 84.
168
Using the prime factors of 14 and 6, the LCM is 42 (2 x 3 x 7).