What three numbers multiply to get 255?

What three numbers multiply to get 255? In other words, you want to know all the combinations of 3 numbers that can be multiplied to get 255. You want to know what all the question marks in the equation below can be in order for the equation to be true:

? × ? × ? = 255

First, note that all numbers must be 255 or less, which means that there are 255 × 255 × 255 possible solutions. Thus, to get the answer to "What three numbers multiply to get 255?" we looked at 16,581,375 different combinations to see which ones equal 255.

When we looked at all those combinations, we found 27 different combinations of 3 numbers that equal 255 when multiplied together. Here are all 3 number combinations that you can multiply to get 255:

255 × 1 × 1 = 255
85 × 3 × 1 = 255
85 × 1 × 3 = 255
51 × 5 × 1 = 255
51 × 1 × 5 = 255
17 × 15 × 1 = 255
17 × 5 × 3 = 255
17 × 3 × 5 = 255
17 × 1 × 15 = 255
15 × 17 × 1 = 255
15 × 1 × 17 = 255
5 × 51 × 1 = 255
5 × 17 × 3 = 255
5 × 3 × 17 = 255
5 × 1 × 51 = 255
3 × 85 × 1 = 255
3 × 17 × 5 = 255
3 × 5 × 17 = 255
3 × 1 × 85 = 255
1 × 255 × 1 = 255
1 × 85 × 3 = 255
1 × 51 × 5 = 255
1 × 17 × 15 = 255
1 × 15 × 17 = 255
1 × 5 × 51 = 255
1 × 3 × 85 = 255
1 × 1 × 255 = 255

Three Numbers Multiply to Get Calculator
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What three numbers multiply to get 256?
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