Q: What are the factor combinations of the number 259,925?

 A:
Positive:   1 x 2599255 x 5198525 x 1039737 x 7025185 x 1405281 x 925
Negative: -1 x -259925-5 x -51985-25 x -10397-37 x -7025-185 x -1405-281 x -925


How do I find the factor combinations of the number 259,925?

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 259,925, 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.

1 259,925
-1 -259,925

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 259,925.

Example:
1 x 259,925 = 259,925
and
-1 x -259,925 = 259,925
Notice both answers equal 259,925

With that explanation out of the way, let's continue. Next, we take the number 259,925 and divide it by 2:

259,925 ÷ 2 = 129,962.5

If the quotient is a whole number, then 2 and 129,962.5 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:

1 259,925
-1 -259,925

Now, we try dividing 259,925 by 3:

259,925 ÷ 3 = 86,641.6667

If the quotient is a whole number, then 3 and 86,641.6667 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:

1 259,925
-1 -259,925

Let's try dividing by 4:

259,925 ÷ 4 = 64,981.25

If the quotient is a whole number, then 4 and 64,981.25 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:

1 259,925
-1 259,925
Keep dividing by the next highest number until you cannot divide anymore.

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

1525371852819251,4057,02510,39751,985259,925
-1-5-25-37-185-281-925-1,405-7,025-10,397-51,985-259,925

More Examples

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