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Q: What is the LCM of 9 and 81?

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Factor each one and use each prime factor the most it was used in any of the numbers. 9=3x3 12=2x2x3 81=3x3x3x3 2x2x3x3x3x3=324

Since 45 is a multiple of 9, it is automatically the LCM.

Assuming that least common refers to the least common multiple, LCM(27, 81) = 81

The LCM of 27 and 63 is 189. The LCM of 81 and 441 is 3969. The LCM of all four is 3969.

The LCM of 2781 and 135 is 13,905. The LCM of 27, 81 and 135 is 405.

Related questions

The LCM is 405. 9 and 81 have an LCM of 81. 9 and 45 have an LCM of 45. 45 and 81 have an LCM of 405 (5 x 81, 9 x 45).

The LCM is 405.

The LCM is 405.

405

LCM of 81 and 3 is 81.

Since 81 - 16r^2 is a multiple of both 4 + r and 4 - r, it is automatically the LCM of this problem.

81; each number is a factor of 81, and it is the smallest you can get.

The LCM is 162.

The LCM is 1377.

The LCM is 1539.

The LCM is 810.

The LCM is 2268.