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It's not the most efficient way, but if you keep at it long enough, a common multiple will emerge between two numbers. Easy example: 3 and 5

3,6,9,12,15

5,10,15

The LCM is 15.

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find the LCM of each pair by listing multiples

5,6,7

12, 24, 36, 48, 60, 72, 84, 96

14, 28, 42, 56, 70, 84, 98

The LCM is 84.

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

The LCM is the multiple.

The greater number.

The larger number is.

Q: What is the LCM of two numbers when one is a multiple of the other?

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When one of two numbers is a multiple of the other, the LCM is the larger number.

Only if one of the numbers is a multiple of the other.

The LCM is the multiple. The LCM of 9 and 3 is 9.

Yes, if one of the numbers is a multiple of the other.

While finding LCM ,if one of the numbers is a multiple of the other then it itself is the LCM. So, in this case 75 is the LCM. (LCM = Lowest Common Multiple)

Related questions

The LCM is the one that is the multiple.

When one of two numbers is a multiple of the other, the LCM is the larger number.

The LCM is the larger number.

Only if one of the numbers is a multiple of the other.

If that number is a multiple of the other one.

When it's a multiple of the other number.

The LCM is the larger number.

The LCM is the multiple. The LCM of 9 and 3 is 9.

The greater number.

The LCM is the multiple. The LCM of 9 and 3 is 9.

Yes, if one of the numbers is a multiple of the other.

While finding LCM ,if one of the numbers is a multiple of the other then it itself is the LCM. So, in this case 75 is the LCM. (LCM = Lowest Common Multiple)