Q: What are the factor combinations of the number 19,525?

 A:
Positive:   1 x 195255 x 390511 x 177525 x 78155 x 35571 x 275
Negative: -1 x -19525-5 x -3905-11 x -1775-25 x -781-55 x -355-71 x -275


How do I find the factor combinations of the number 19,525?

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 19,525, 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 19,525
-1 -19,525

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 19,525.

Example:
1 x 19,525 = 19,525
and
-1 x -19,525 = 19,525
Notice both answers equal 19,525

With that explanation out of the way, let's continue. Next, we take the number 19,525 and divide it by 2:

19,525 ÷ 2 = 9,762.5

If the quotient is a whole number, then 2 and 9,762.5 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 19,525
-1 -19,525

Now, we try dividing 19,525 by 3:

19,525 ÷ 3 = 6,508.3333

If the quotient is a whole number, then 3 and 6,508.3333 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 19,525
-1 -19,525

Let's try dividing by 4:

19,525 ÷ 4 = 4,881.25

If the quotient is a whole number, then 4 and 4,881.25 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 19,525
-1 19,525
Keep dividing by the next highest number until you cannot divide anymore.

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

15112555712753557811,7753,90519,525
-1-5-11-25-55-71-275-355-781-1,775-3,905-19,525

More Examples

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