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Q: What is the LCM of 28 and 21?

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The LCM is: 84

The Least Common Multiple (LCM) for 21 28 is 84.

LCM(21, 28, 42) = 84

LCM(6, 21, 28) = 84.

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

The Least Common Multiple (LCM) for 273 21 28 is 1,092.

The Least Common Multiple (LCM) of 35, 21, and 28 is 420.

The LCM is: 252

The LCM is: 672

The LCM is: 672

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

The LCM of 2135 and 28 is 8540 The LCM of 21, 35 and 28 is 420.

LCM of 12 and 21 is 84, which is also a multiple of 28 so 84 is your answer.

84

The answer is 84 21:21,42,63,(84) 28:28,56,(84)

84

84

7.

84

420

420

252

It is: 84

84

3: 3 28: 7, 2, 2 21: 7, 3 LCM = 3x7x4 = 84