Q: What are the factor combinations of the number 248,404?

 A:
Positive:   1 x 2484042 x 1242024 x 6210113 x 1910817 x 1461226 x 955434 x 730652 x 477768 x 3653221 x 1124281 x 884442 x 562
Negative: -1 x -248404-2 x -124202-4 x -62101-13 x -19108-17 x -14612-26 x -9554-34 x -7306-52 x -4777-68 x -3653-221 x -1124-281 x -884-442 x -562


How do I find the factor combinations of the number 248,404?

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 248,404, 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.

1 248,404
-1 -248,404

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 248,404.

Example:
1 x 248,404 = 248,404
and
-1 x -248,404 = 248,404
Notice both answers equal 248,404

With that explanation out of the way, let's continue. Next, we take the number 248,404 and divide it by 2:

248,404 ÷ 2 = 124,202

If the quotient is a whole number, then 2 and 124,202 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 2 124,202 248,404
-1 -2 -124,202 -248,404

Now, we try dividing 248,404 by 3:

248,404 ÷ 3 = 82,801.3333

If the quotient is a whole number, then 3 and 82,801.3333 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 2 124,202 248,404
-1 -2 -124,202 -248,404

Let's try dividing by 4:

248,404 ÷ 4 = 62,101

If the quotient is a whole number, then 4 and 62,101 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 4 62,101 124,202 248,404
-1 -2 -4 -62,101 -124,202 248,404
Keep dividing by the next highest number until you cannot divide anymore.

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

1241317263452682212814425628841,1243,6534,7777,3069,55414,61219,10862,101124,202248,404
-1-2-4-13-17-26-34-52-68-221-281-442-562-884-1,124-3,653-4,777-7,306-9,554-14,612-19,108-62,101-124,202-248,404

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