Q: What are the factor combinations of the number 262,171?

 A:
Positive:   1 x 2621717 x 3745313 x 2016743 x 609767 x 391391 x 2881301 x 871469 x 559
Negative: -1 x -262171-7 x -37453-13 x -20167-43 x -6097-67 x -3913-91 x -2881-301 x -871-469 x -559


How do I find the factor combinations of the number 262,171?

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 262,171, 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.

1 262,171
-1 -262,171

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 262,171.

Example:
1 x 262,171 = 262,171
and
-1 x -262,171 = 262,171
Notice both answers equal 262,171

With that explanation out of the way, let's continue. Next, we take the number 262,171 and divide it by 2:

262,171 ÷ 2 = 131,085.5

If the quotient is a whole number, then 2 and 131,085.5 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:

1 262,171
-1 -262,171

Now, we try dividing 262,171 by 3:

262,171 ÷ 3 = 87,390.3333

If the quotient is a whole number, then 3 and 87,390.3333 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:

1 262,171
-1 -262,171

Let's try dividing by 4:

262,171 ÷ 4 = 65,542.75

If the quotient is a whole number, then 4 and 65,542.75 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:

1 262,171
-1 262,171
Keep dividing by the next highest number until you cannot divide anymore.

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

17134367913014695598712,8813,9136,09720,16737,453262,171
-1-7-13-43-67-91-301-469-559-871-2,881-3,913-6,097-20,167-37,453-262,171

More Examples

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