Q: What are the factor combinations of the number 232,142,021?

 A:
Positive:   1 x 23214202117 x 136554133413 x 680174001 x 58021
Negative: -1 x -232142021-17 x -13655413-3413 x -68017-4001 x -58021


How do I find the factor combinations of the number 232,142,021?

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 232,142,021, 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.

1 232,142,021
-1 -232,142,021

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 232,142,021.

Example:
1 x 232,142,021 = 232,142,021
and
-1 x -232,142,021 = 232,142,021
Notice both answers equal 232,142,021

With that explanation out of the way, let's continue. Next, we take the number 232,142,021 and divide it by 2:

232,142,021 ÷ 2 = 116,071,010.5

If the quotient is a whole number, then 2 and 116,071,010.5 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:

1 232,142,021
-1 -232,142,021

Now, we try dividing 232,142,021 by 3:

232,142,021 ÷ 3 = 77,380,673.6667

If the quotient is a whole number, then 3 and 77,380,673.6667 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:

1 232,142,021
-1 -232,142,021

Let's try dividing by 4:

232,142,021 ÷ 4 = 58,035,505.25

If the quotient is a whole number, then 4 and 58,035,505.25 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:

1 232,142,021
-1 232,142,021
Keep dividing by the next highest number until you cannot divide anymore.

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

1173,4134,00158,02168,01713,655,413232,142,021
-1-17-3,413-4,001-58,021-68,017-13,655,413-232,142,021

More Examples

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