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โˆ™ 2010-05-02 17:11:01
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Q: What is the LCM of 3 18 21?
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What is the LCM of 18 and 21 using prime factorization?

18 = 2 x 3 x 3; 21 = 3 x 7. Common factor is 3 so LCM = 18 x 21/3 = 126


What is the LCM of 21 and 18?

The LCM of 21 and 18 is 126.


What is the LCM of 3 7 21?

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.


What is the LCM of 21 42 18?

LCM(21, 42, 18) = 126


What is the LCM of 3 and 21?

The LCM of 3 and 21 is 21.


What is LCM for 3 and 21?

The LCM of 3 and 21 is 21


What is the LCM and GCF of 18 21 36?

The GCF is 3. The LCM is 252.


What is the LCM and the GCF of 18 and 21?

To make this easier, let's first factor 18 and 21 into their prime factors: 18=2*3^2 21=3*7 Now it's very easy to find the LCM and GCF. The LCM is 2*3^2*7=126, and the GCF is 3.


What is the LCM of 2 6 18 and 21?

LCM of 2 6 18 and 21 is 126.


What is the LCM of 12 18 21 40?

The LCM is 2520.


What is the LCM of 16 18 21?

The Least Common Multiple (LCM) of 16, 18, and 21 is 1,008.


What is the LCM of 18 21 use prime factorizations?

2 x 3 x 3 = 18 3 x 7 = 21 2 x 3 x 3 x 7 = 126, the LCM


Give you the LCM for 18 thousand 21?

The LCM of 18000 and 21 is 126000.


How do you use prime factorization to find the LCM of 18 and 21?

2 x 3 x 3 = 18 3 x 7 = 21 2 x 3 x 3 x 7 = 126, the LCM


Lcm of 3 and 21?

The least common multiple is the smallest positive number that is the multiple of two or more numbers. 3: 3, 6, 9, 12, 15, 18, 21 21: 21 The LCM of 3 and 21 is 21.


What is the LCM of 18 21 and 15?

The LCM is 630.


What is the LCM of 18 9 3?

lcm(18, 9, 3) = 18.


What is the LCM for 3 6 18?

The LCM of 3, 6 and 18 is 18


What is the LCM of 3 18?

The LCM is 18


What is the LCM of 3 9 6 18?

The LCM is 18.


What is LCM of 3 and 7?

The LCM is: 21LCM of 3 & 7 is 21.


What is the LCM of 18 21 and 56?

The least common multiple (LCM) of 18, 21, and 56 is 504.


What is the LCM of 3 28 and 21?

LCM of 3, 8 and 21 is 84...


What is the HCF and LCM of 3 and 18?

HCF = 3... LCM = 18 !


What is the LCM of 18 and 21?

The LCM is: 126