Q: What are the factor combinations of the number 1,119,125?

 A:
Positive:   1 x 11191255 x 2238257 x 15987525 x 4476535 x 31975125 x 8953175 x 6395875 x 1279
Negative: -1 x -1119125-5 x -223825-7 x -159875-25 x -44765-35 x -31975-125 x -8953-175 x -6395-875 x -1279


How do I find the factor combinations of the number 1,119,125?

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 1,119,125, 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 1,119,125
-1 -1,119,125

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 1,119,125.

Example:
1 x 1,119,125 = 1,119,125
and
-1 x -1,119,125 = 1,119,125
Notice both answers equal 1,119,125

With that explanation out of the way, let's continue. Next, we take the number 1,119,125 and divide it by 2:

1,119,125 ÷ 2 = 559,562.5

If the quotient is a whole number, then 2 and 559,562.5 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 1,119,125
-1 -1,119,125

Now, we try dividing 1,119,125 by 3:

1,119,125 ÷ 3 = 373,041.6667

If the quotient is a whole number, then 3 and 373,041.6667 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 1,119,125
-1 -1,119,125

Let's try dividing by 4:

1,119,125 ÷ 4 = 279,781.25

If the quotient is a whole number, then 4 and 279,781.25 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 1,119,125
-1 1,119,125
Keep dividing by the next highest number until you cannot divide anymore.

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

15725351251758751,2796,3958,95331,97544,765159,875223,8251,119,125
-1-5-7-25-35-125-175-875-1,279-6,395-8,953-31,975-44,765-159,875-223,825-1,119,125

More Examples

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