Q: What are the factor combinations of the number 23,765?

 A:
Positive:   1 x 237655 x 47537 x 339535 x 67949 x 48597 x 245
Negative: -1 x -23765-5 x -4753-7 x -3395-35 x -679-49 x -485-97 x -245


How do I find the factor combinations of the number 23,765?

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 23,765, 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 23,765
-1 -23,765

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 23,765.

Example:
1 x 23,765 = 23,765
and
-1 x -23,765 = 23,765
Notice both answers equal 23,765

With that explanation out of the way, let's continue. Next, we take the number 23,765 and divide it by 2:

23,765 ÷ 2 = 11,882.5

If the quotient is a whole number, then 2 and 11,882.5 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 23,765
-1 -23,765

Now, we try dividing 23,765 by 3:

23,765 ÷ 3 = 7,921.6667

If the quotient is a whole number, then 3 and 7,921.6667 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 23,765
-1 -23,765

Let's try dividing by 4:

23,765 ÷ 4 = 5,941.25

If the quotient is a whole number, then 4 and 5,941.25 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 23,765
-1 23,765
Keep dividing by the next highest number until you cannot divide anymore.

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

1573549972454856793,3954,75323,765
-1-5-7-35-49-97-245-485-679-3,395-4,753-23,765

More Examples

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