Q: What are the factor combinations of the number 980,495?

 A:
Positive:   1 x 9804955 x 19609919 x 5160595 x 10321
Negative: -1 x -980495-5 x -196099-19 x -51605-95 x -10321


How do I find the factor combinations of the number 980,495?

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 980,495, 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.

1 980,495
-1 -980,495

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 980,495.

Example:
1 x 980,495 = 980,495
and
-1 x -980,495 = 980,495
Notice both answers equal 980,495

With that explanation out of the way, let's continue. Next, we take the number 980,495 and divide it by 2:

980,495 ÷ 2 = 490,247.5

If the quotient is a whole number, then 2 and 490,247.5 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:

1 980,495
-1 -980,495

Now, we try dividing 980,495 by 3:

980,495 ÷ 3 = 326,831.6667

If the quotient is a whole number, then 3 and 326,831.6667 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:

1 980,495
-1 -980,495

Let's try dividing by 4:

980,495 ÷ 4 = 245,123.75

If the quotient is a whole number, then 4 and 245,123.75 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:

1 980,495
-1 980,495
Keep dividing by the next highest number until you cannot divide anymore.

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

15199510,32151,605196,099980,495
-1-5-19-95-10,321-51,605-196,099-980,495

More Examples

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