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Q: What are 81 27and 45 multiples of?

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Nine.

9

1, 3 and 9 are common factors of 27, 45 and 81. 27, 45 and 81 are multiples of 1, 3 and 9.

They are multiples of 3.

27

Common multiples include any multiple of 405.

Any multiple of 405.

9

They are all multiples of 9. Their common multiples are 405, 810, 1215 and so on.

Common multiples include 405, 810 and 1215

The LCM is: 135

The GCF is 27.

3

1, 9, and 81 are the only multiples of 81

Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90.

They are multiples of 1, 3 and 9.

The multiples of 81 are infinite. The factors of 81 are: 1, 3, 9, 27, 81.

45, 63, 81, 99, 117

9, 18, 27, 36, 45, 54, 63, 72, 81

Incorrect. Instead they are factors of I, 3 and 9.

The multiples of nine are infinite, starting with these: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90 +9 . . .

Multiples of 81

9, 18, 27, 36, 45, 54, 63, 72, 81

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, . . .

9, 18, 27, 36, 45, 54, 63, 72, 81

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