Q: What are the factor combinations of the number 942,431?

 A:
Positive:   1 x 9424317 x 13463331 x 3040143 x 21917101 x 9331217 x 4343301 x 3131707 x 1333
Negative: -1 x -942431-7 x -134633-31 x -30401-43 x -21917-101 x -9331-217 x -4343-301 x -3131-707 x -1333


How do I find the factor combinations of the number 942,431?

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 942,431, 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.

1 942,431
-1 -942,431

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 942,431.

Example:
1 x 942,431 = 942,431
and
-1 x -942,431 = 942,431
Notice both answers equal 942,431

With that explanation out of the way, let's continue. Next, we take the number 942,431 and divide it by 2:

942,431 ÷ 2 = 471,215.5

If the quotient is a whole number, then 2 and 471,215.5 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:

1 942,431
-1 -942,431

Now, we try dividing 942,431 by 3:

942,431 ÷ 3 = 314,143.6667

If the quotient is a whole number, then 3 and 314,143.6667 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:

1 942,431
-1 -942,431

Let's try dividing by 4:

942,431 ÷ 4 = 235,607.75

If the quotient is a whole number, then 4 and 235,607.75 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:

1 942,431
-1 942,431
Keep dividing by the next highest number until you cannot divide anymore.

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

1731431012173017071,3333,1314,3439,33121,91730,401134,633942,431
-1-7-31-43-101-217-301-707-1,333-3,131-4,343-9,331-21,917-30,401-134,633-942,431

More Examples

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