Q: What are the factor combinations of the number 301,847?

 A:
Positive:   1 x 3018477 x 4312113 x 2321931 x 973791 x 3317107 x 2821217 x 1391403 x 749
Negative: -1 x -301847-7 x -43121-13 x -23219-31 x -9737-91 x -3317-107 x -2821-217 x -1391-403 x -749


How do I find the factor combinations of the number 301,847?

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 301,847, 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.

1 301,847
-1 -301,847

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 301,847.

Example:
1 x 301,847 = 301,847
and
-1 x -301,847 = 301,847
Notice both answers equal 301,847

With that explanation out of the way, let's continue. Next, we take the number 301,847 and divide it by 2:

301,847 ÷ 2 = 150,923.5

If the quotient is a whole number, then 2 and 150,923.5 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:

1 301,847
-1 -301,847

Now, we try dividing 301,847 by 3:

301,847 ÷ 3 = 100,615.6667

If the quotient is a whole number, then 3 and 100,615.6667 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:

1 301,847
-1 -301,847

Let's try dividing by 4:

301,847 ÷ 4 = 75,461.75

If the quotient is a whole number, then 4 and 75,461.75 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:

1 301,847
-1 301,847
Keep dividing by the next highest number until you cannot divide anymore.

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

171331911072174037491,3912,8213,3179,73723,21943,121301,847
-1-7-13-31-91-107-217-403-749-1,391-2,821-3,317-9,737-23,219-43,121-301,847

More Examples

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