Q: What are the factor combinations of the number 265,874?

 A:
Positive:   1 x 2658742 x 1329377 x 3798214 x 1899149 x 542698 x 2713
Negative: -1 x -265874-2 x -132937-7 x -37982-14 x -18991-49 x -5426-98 x -2713


How do I find the factor combinations of the number 265,874?

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 265,874, 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.

1 265,874
-1 -265,874

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 265,874.

Example:
1 x 265,874 = 265,874
and
-1 x -265,874 = 265,874
Notice both answers equal 265,874

With that explanation out of the way, let's continue. Next, we take the number 265,874 and divide it by 2:

265,874 ÷ 2 = 132,937

If the quotient is a whole number, then 2 and 132,937 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

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

1 2 132,937 265,874
-1 -2 -132,937 -265,874

Now, we try dividing 265,874 by 3:

265,874 ÷ 3 = 88,624.6667

If the quotient is a whole number, then 3 and 88,624.6667 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 2 132,937 265,874
-1 -2 -132,937 -265,874

Let's try dividing by 4:

265,874 ÷ 4 = 66,468.5

If the quotient is a whole number, then 4 and 66,468.5 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 2 132,937 265,874
-1 -2 -132,937 265,874
Keep dividing by the next highest number until you cannot divide anymore.

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

1271449982,7135,42618,99137,982132,937265,874
-1-2-7-14-49-98-2,713-5,426-18,991-37,982-132,937-265,874

More Examples

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