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Q: What is the LCM of 6 7 and 21?

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The LCM is 105.

The LCM of 7 21 35 is 105

The LCM is 210.

Note that 21 x 2 = 42, so we really only need to look at 35 and 42. So 7 x 5 = 35, and 7 x 6 = 42. There is a common factor of 7. So we have 7 x 5 x 6 = 210 is the LCM.

LCM of 4 7 12 21 is 84

Related questions

The LCM is 42.

42

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.

LCM(6, 7, 21) = 42

42

The LCM is 105.

The LCM is 42

The LCM is 84.

LCM of 5 7 21 is 105.

The LCM of 7 21 35 is 105

The LCM is 210.

The LCM is 714.