How do I find the factor combinations of the number 897,876?
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 897,876, 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.
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 897,876.
Example:
1 x 897,876 = 897,876
and
-1 x -897,876 = 897,876
Notice both answers equal 897,876
With that explanation out of the way, let's continue. Next, we take the number 897,876 and divide it by 2:
897,876 ÷ 2 = 448,938
If the quotient is a whole number, then 2 and 448,938 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
Now, we try dividing 897,876 by 3:
897,876 ÷ 3 = 299,292
If the quotient is a whole number, then 3 and 299,292 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
Let's try dividing by 4:
897,876 ÷ 4 = 224,469
If the quotient is a whole number, then 4 and 224,469 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
Keep dividing by the next highest number until you cannot divide anymore.
If you did it right, you will end up with this table:
More Examples
Here are some more numbers to try:
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