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Q: What is the LCM of 18 and 15?

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LCM of 15 9 and 18 is 90. The LCM of 9, 15 and 18 is 90.

LCM of 12 and 15 and 18 is 180.

LCM of 9 and 15 and 18 is 90.

The LCM of 10, 15 and 18 is 90.

The Least Common Multiple (LCM) of 10, 18, and 15 is 90.

The LCM is 90.

The Least Common Multiple (LCM) of 18 and 15 is 90.

The LCM is 630.

The LCM is 90.

LCM(15, 18, 6) = 90

The Least Common Multiple (LCM) of 15, 14, and 18 is 630.

It is 180

The LCM of 1015 and 18 is 18270. The LCM of 10, 15 and 18 is 90.

The LCM is 90.

The LCM is 630.

LCM(10, 15, 18, 20) = 180.

The Least Common Multiple (LCM) of 15 and 18 is 90.

If that's 15 and 18, the LCM is 90.

The LCM is: 90

If that's 18 and 15, the LCM is90.

If that's 6915 and 18, the LCM is 41,490 If that's 6, 9, 15 and 18, the LCM is 90.

The LCM of 15 and 18 is 90

The LCM of 15 (which is 3*5) and 18 (which is 2*3^2) is 90 (which is 2*3^2*5).

The Least Common Multiple (LCM) for 15 18 30 is 90.

There is only one LCM, so it cannot be A lcm, but possibly THE lcm. The LCM of any two (or more) numbers MUST be a multiple of all the numbers. For 15 and 18 the LCM must be a multiple of both 15 and 18. In particular it must be one of the multiples of 18. 18 is an even number, so all its multiples will be even. 145 is an odd number, so it cannot be a multiple of 18 Thus 145 cannot be a multiple of both 15 and 18. Thus it cannot be the LCM of 15 and 18. QED.