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Both 180 and 540 are common multiples of 5, 9 and 12. That is to say they are in the 5-times table, the 9-times table and the 12-times table.
But the L in LCM stands for Least. So, since 180 is less than 540, the LCM cannot be 540. You may like to check, for yourself, that no number smaller than 180 is in all the three tables.
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Earn +20 ptsQ: Why is the lcm of 5 9 and 12 180 not 540?
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Continue Learning about Math & Arithmetic
What is the LCM of 5 9 6 and 12?
180
What is the LCM of 12 3 9 and 5?
LCM(Least Common Multiple) as the name suggests is the common multiple of two numbers. Thus, LCM of a single number cannot be found out.
What is the LCD of 12 9 5?
It is 180 which is also the LCM
What is the LCM of 5 9 4?
The LCM for 9, 5, 4, is: 180
What is the LCM of 15 18 4 and 5?
The LCM is: 180
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