Q: What are the factor combinations of the number 69,173?

 A:
Positive:   1 x 6917313 x 532117 x 4069221 x 313
Negative: -1 x -69173-13 x -5321-17 x -4069-221 x -313


How do I find the factor combinations of the number 69,173?

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 69,173, 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 69,173
-1 -69,173

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 69,173.

Example:
1 x 69,173 = 69,173
and
-1 x -69,173 = 69,173
Notice both answers equal 69,173

With that explanation out of the way, let's continue. Next, we take the number 69,173 and divide it by 2:

69,173 ÷ 2 = 34,586.5

If the quotient is a whole number, then 2 and 34,586.5 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 69,173
-1 -69,173

Now, we try dividing 69,173 by 3:

69,173 ÷ 3 = 23,057.6667

If the quotient is a whole number, then 3 and 23,057.6667 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 69,173
-1 -69,173

Let's try dividing by 4:

69,173 ÷ 4 = 17,293.25

If the quotient is a whole number, then 4 and 17,293.25 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 69,173
-1 69,173
Keep dividing by the next highest number until you cannot divide anymore.

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

113172213134,0695,32169,173
-1-13-17-221-313-4,069-5,321-69,173

More Examples

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