Q: What are the factor combinations of the number 23,375?

 A:
Positive:   1 x 233755 x 467511 x 212517 x 137525 x 93555 x 42585 x 275125 x 187
Negative: -1 x -23375-5 x -4675-11 x -2125-17 x -1375-25 x -935-55 x -425-85 x -275-125 x -187


How do I find the factor combinations of the number 23,375?

Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 23,375, it is easier to work with a table - it's called factoring from the outside in.

Outside in Factoring

We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.

1 23,375
-1 -23,375

Why are the negative numbers included?

When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,375.

Example:
1 x 23,375 = 23,375
and
-1 x -23,375 = 23,375
Notice both answers equal 23,375

With that explanation out of the way, let's continue. Next, we take the number 23,375 and divide it by 2:

23,375 ÷ 2 = 11,687.5

If the quotient is a whole number, then 2 and 11,687.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

Here is what our table should look like at this step:

1 23,375
-1 -23,375

Now, we try dividing 23,375 by 3:

23,375 ÷ 3 = 7,791.6667

If the quotient is a whole number, then 3 and 7,791.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

Here is what our table should look like at this step:

1 23,375
-1 -23,375

Let's try dividing by 4:

23,375 ÷ 4 = 5,843.75

If the quotient is a whole number, then 4 and 5,843.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

Here is what our table should look like at this step:

1 23,375
-1 23,375
Keep dividing by the next highest number until you cannot divide anymore.

If you did it right, you will end up with this table:

1511172555851251872754259351,3752,1254,67523,375
-1-5-11-17-25-55-85-125-187-275-425-935-1,375-2,125-4,675-23,375

More Examples

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