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Q: What is LCM of 7 18 and 21?

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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.

It is 126

126

126

The least common multiple of the numbers 7, 21 and 18 is 126.

126

It is: 126

126

The LCM of 21 and 18 is 126.

LCM(21, 42, 18) = 126

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

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

LCM of 2 6 18 and 21 is 126.

LCM of 5 7 21 is 105.

The LCM of 7 21 35 is 105

The LCM is 2520.

The least common multiple of the numbers 7, 18 and 21 is 126.

The LCM is 210.

The LCM is 105.

The LCM is 84.

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

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.

LCM(21, 7) = 21

The LCM of 18000 and 21 is 126000.

21 is the LCM of 3 and 7