Q: What are the factor combinations of the number 26,125?

 A:
Positive:   1 x 261255 x 522511 x 237519 x 137525 x 104555 x 47595 x 275125 x 209
Negative: -1 x -26125-5 x -5225-11 x -2375-19 x -1375-25 x -1045-55 x -475-95 x -275-125 x -209


How do I find the factor combinations of the number 26,125?

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 26,125, 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 26,125
-1 -26,125

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 26,125.

Example:
1 x 26,125 = 26,125
and
-1 x -26,125 = 26,125
Notice both answers equal 26,125

With that explanation out of the way, let's continue. Next, we take the number 26,125 and divide it by 2:

26,125 ÷ 2 = 13,062.5

If the quotient is a whole number, then 2 and 13,062.5 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 26,125
-1 -26,125

Now, we try dividing 26,125 by 3:

26,125 ÷ 3 = 8,708.3333

If the quotient is a whole number, then 3 and 8,708.3333 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 26,125
-1 -26,125

Let's try dividing by 4:

26,125 ÷ 4 = 6,531.25

If the quotient is a whole number, then 4 and 6,531.25 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 26,125
-1 26,125
Keep dividing by the next highest number until you cannot divide anymore.

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

1511192555951252092754751,0451,3752,3755,22526,125
-1-5-11-19-25-55-95-125-209-275-475-1,045-1,375-2,375-5,225-26,125

More Examples

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