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Since they have no common prime factors, multiply them together.

3 x 7 x 10 = 210, the LCM

Q: Can you show the work of how to get the LCM of 3 7and10?

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The LCM is 120.

This does not work when one of the numbers is negative.

Prime factors of:6 ..=... 2 x 321..= .... ...3 x 7============LCM= ..2 x 3 x 7Answer: LCM = 42

LCM(3, 27, 35) = 945

LCM of 12, 3, and 16 is 48

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210

There's not really any work to be shown. Since 12 is a multiple of 6, it's automatically the LCM of this problem. If your teacher insists, show him or her a prime factorization. 2 x 3 = 6 2 x 2 x 3 = 12 2 x 2 x 3 = 12, the LCM

Write out the multiples. 3,6,9,12,15,18,21,24,27,30,33,36,39,42 14,28,42 The LCM is 42.

3 x 4 x 5 = 60, the LCM

It is: 60 because their highest prime numbers multiply to 60 that is: 2^2*3*5

2 x 2 x 3 = 12 2 x 3 x 3 = 18 2 x 2 x 2 x 3 = 24 2 x 2 x 2 x 3 x 3 = 72, the LCM

2 x 5 = 10 2 x 3 = 6 2 x 3 x 5 = 30, the LCM

Do the numbers first. The LCM of 6 and 8 is 24. Choose the highest of the powers. The LCM is 24a^3

That's a bit of unnecessary work. The LCM of 3 and 6 is 6, because 6 is a multiple of 3.

it doesnt work becasue 2 and 3 are low numbers it will only work if you go into the negatives.

The lcm is 3

Example: 30 and 42 Factor them. 2 x 3 x 5 = 30 2 x 3 x 7 = 42 Select the highest amount of each factor. 2 x 3 x 5 x 7 = 210, the LCM