Q: What are the factor combinations of the number 25,795?

 A:
Positive:   1 x 257955 x 51597 x 368511 x 234535 x 73755 x 46967 x 38577 x 335
Negative: -1 x -25795-5 x -5159-7 x -3685-11 x -2345-35 x -737-55 x -469-67 x -385-77 x -335


How do I find the factor combinations of the number 25,795?

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 25,795, 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 25,795
-1 -25,795

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 25,795.

Example:
1 x 25,795 = 25,795
and
-1 x -25,795 = 25,795
Notice both answers equal 25,795

With that explanation out of the way, let's continue. Next, we take the number 25,795 and divide it by 2:

25,795 ÷ 2 = 12,897.5

If the quotient is a whole number, then 2 and 12,897.5 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 25,795
-1 -25,795

Now, we try dividing 25,795 by 3:

25,795 ÷ 3 = 8,598.3333

If the quotient is a whole number, then 3 and 8,598.3333 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 25,795
-1 -25,795

Let's try dividing by 4:

25,795 ÷ 4 = 6,448.75

If the quotient is a whole number, then 4 and 6,448.75 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 25,795
-1 25,795
Keep dividing by the next highest number until you cannot divide anymore.

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

15711355567773353854697372,3453,6855,15925,795
-1-5-7-11-35-55-67-77-335-385-469-737-2,345-3,685-5,159-25,795

More Examples

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