Q: What are the factor combinations of the number 8,500,795?

 A:
Positive:   1 x 85007955 x 170015979 x 107605395 x 21521
Negative: -1 x -8500795-5 x -1700159-79 x -107605-395 x -21521


How do I find the factor combinations of the number 8,500,795?

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 8,500,795, 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 8,500,795
-1 -8,500,795

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 8,500,795.

Example:
1 x 8,500,795 = 8,500,795
and
-1 x -8,500,795 = 8,500,795
Notice both answers equal 8,500,795

With that explanation out of the way, let's continue. Next, we take the number 8,500,795 and divide it by 2:

8,500,795 ÷ 2 = 4,250,397.5

If the quotient is a whole number, then 2 and 4,250,397.5 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 8,500,795
-1 -8,500,795

Now, we try dividing 8,500,795 by 3:

8,500,795 ÷ 3 = 2,833,598.3333

If the quotient is a whole number, then 3 and 2,833,598.3333 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 8,500,795
-1 -8,500,795

Let's try dividing by 4:

8,500,795 ÷ 4 = 2,125,198.75

If the quotient is a whole number, then 4 and 2,125,198.75 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 8,500,795
-1 8,500,795
Keep dividing by the next highest number until you cannot divide anymore.

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

157939521,521107,6051,700,1598,500,795
-1-5-79-395-21,521-107,605-1,700,159-8,500,795

More Examples

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