What three numbers multiply to get 81?

What three numbers multiply to get 81? In other words, you want to know all the combinations of 3 numbers that can be multiplied to get 81. You want to know what all the question marks in the equation below can be in order for the equation to be true:

? × ? × ? = 81

First, note that all numbers must be 81 or less, which means that there are 81 × 81 × 81 possible solutions. Thus, to get the answer to "What three numbers multiply to get 81?" we looked at 531,441 different combinations to see which ones equal 81.

When we looked at all those combinations, we found 15 different combinations of 3 numbers that equal 81 when multiplied together. Here are all 3 number combinations that you can multiply to get 81:

81 × 1 × 1 = 81
27 × 3 × 1 = 81
27 × 1 × 3 = 81
9 × 9 × 1 = 81
9 × 3 × 3 = 81
9 × 1 × 9 = 81
3 × 27 × 1 = 81
3 × 9 × 3 = 81
3 × 3 × 9 = 81
3 × 1 × 27 = 81
1 × 81 × 1 = 81
1 × 27 × 3 = 81
1 × 9 × 9 = 81
1 × 3 × 27 = 81
1 × 1 × 81 = 81

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What three numbers multiply to get 82?
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