Q: What are the factor combinations of the number 162,659?

 A:
Positive:   1 x 1626597 x 2323719 x 8561133 x 1223
Negative: -1 x -162659-7 x -23237-19 x -8561-133 x -1223


How do I find the factor combinations of the number 162,659?

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 162,659, 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.

1 162,659
-1 -162,659

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 162,659.

Example:
1 x 162,659 = 162,659
and
-1 x -162,659 = 162,659
Notice both answers equal 162,659

With that explanation out of the way, let's continue. Next, we take the number 162,659 and divide it by 2:

162,659 ÷ 2 = 81,329.5

If the quotient is a whole number, then 2 and 81,329.5 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:

1 162,659
-1 -162,659

Now, we try dividing 162,659 by 3:

162,659 ÷ 3 = 54,219.6667

If the quotient is a whole number, then 3 and 54,219.6667 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:

1 162,659
-1 -162,659

Let's try dividing by 4:

162,659 ÷ 4 = 40,664.75

If the quotient is a whole number, then 4 and 40,664.75 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:

1 162,659
-1 162,659
Keep dividing by the next highest number until you cannot divide anymore.

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

17191331,2238,56123,237162,659
-1-7-19-133-1,223-8,561-23,237-162,659

More Examples

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