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The LCM of 21 and 9 is 63.

Q: What is the LCM of 9 and 21 and?

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The LCM is 252.

The LCM is 63.

63

The LCM of 9 and 21 is 63, which is the multiple of the highest power of prime factors from both numbers, is 63. (3² x 7 = 3 x 3 x 7 = 63).

It is: 252

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LCM OF 9,3 AND 21 IS 63. CHECK FOR YOURSELF IF YOU ARE NOT SURE.

Of each of them on their own respectively is 28, 21 and 9. together is 252

7 x 9 = 63 3 x 21 = 63 Therefore, the LCM of 9 and 21 is 63.

The LCM is 252.

The Least Common Multiple (LCM) for 9 21 15 is 315.

The Least Common Multiple (LCM) for 21 3 9 is 63.

The LCM is: 63

The LCM is: 1,008

The LCM is: 252