Q: What are the factor combinations of the number 972,257?

 A:
Positive:   1 x 97225711 x 8838713 x 74789143 x 6799169 x 5753523 x 1859
Negative: -1 x -972257-11 x -88387-13 x -74789-143 x -6799-169 x -5753-523 x -1859


How do I find the factor combinations of the number 972,257?

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 972,257, 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.

1 972,257
-1 -972,257

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 972,257.

Example:
1 x 972,257 = 972,257
and
-1 x -972,257 = 972,257
Notice both answers equal 972,257

With that explanation out of the way, let's continue. Next, we take the number 972,257 and divide it by 2:

972,257 ÷ 2 = 486,128.5

If the quotient is a whole number, then 2 and 486,128.5 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:

1 972,257
-1 -972,257

Now, we try dividing 972,257 by 3:

972,257 ÷ 3 = 324,085.6667

If the quotient is a whole number, then 3 and 324,085.6667 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:

1 972,257
-1 -972,257

Let's try dividing by 4:

972,257 ÷ 4 = 243,064.25

If the quotient is a whole number, then 4 and 243,064.25 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:

1 972,257
-1 972,257
Keep dividing by the next highest number until you cannot divide anymore.

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

111131431695231,8595,7536,79974,78988,387972,257
-1-11-13-143-169-523-1,859-5,753-6,799-74,789-88,387-972,257

More Examples

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