Q: What are the factor combinations of the number 920,125?

 A:
Positive:   1 x 9201255 x 18402517 x 5412525 x 3680585 x 10825125 x 7361425 x 2165433 x 2125
Negative: -1 x -920125-5 x -184025-17 x -54125-25 x -36805-85 x -10825-125 x -7361-425 x -2165-433 x -2125


How do I find the factor combinations of the number 920,125?

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 920,125, 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.

1 920,125
-1 -920,125

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 920,125.

Example:
1 x 920,125 = 920,125
and
-1 x -920,125 = 920,125
Notice both answers equal 920,125

With that explanation out of the way, let's continue. Next, we take the number 920,125 and divide it by 2:

920,125 ÷ 2 = 460,062.5

If the quotient is a whole number, then 2 and 460,062.5 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:

1 920,125
-1 -920,125

Now, we try dividing 920,125 by 3:

920,125 ÷ 3 = 306,708.3333

If the quotient is a whole number, then 3 and 306,708.3333 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:

1 920,125
-1 -920,125

Let's try dividing by 4:

920,125 ÷ 4 = 230,031.25

If the quotient is a whole number, then 4 and 230,031.25 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:

1 920,125
-1 920,125
Keep dividing by the next highest number until you cannot divide anymore.

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

151725851254254332,1252,1657,36110,82536,80554,125184,025920,125
-1-5-17-25-85-125-425-433-2,125-2,165-7,361-10,825-36,805-54,125-184,025-920,125

More Examples

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