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**LCM OF 9,3 AND 21 IS 63.**

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The LCM is 63.

LCM(3, 9, 21) = 63

63

Q: What is the LCM of 3 9 and 21?

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3 x 3 = 9 3 x 7 = 21 3 x 3 x 7 = 63, the LCM

126

The LCM is: 18

Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42Multiples of 14: 14, 28, 42Multipled of 21: 21, 4242 is lowest number common in all three hence LCM is 42.

The LCM is 126.

Related questions

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

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

the LCM is 63

The LCM is: 63

3 x 3 = 9 3 x 7 = 21 3 x 3 x 7 = 63, the LCM

The LCM is 252.

The GCF is 3. The LCM is 63.

3 x 3 = 9 3 x 7 = 21 3 x 3 x 7 = 63, the LCM

3 x 3 = 9 3 x 7 = 21 3 x 3 x 7 = 63, the LCM

21 = 7 x 3 , 9 = 3 x 3 ; for the Least Common Multiple (LCM), 21 already is a multiple of 7. 21 & 9 have a common factor of 3, so LCM = 21 x 3 = 63

the lcm of 3 and 7 is 21 and the lcm of 7 and 21 is 21, so the lcm of 3, 7 and 21 is the lcm of 21 and 21 which is 21.

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).