Q: What are the factor combinations of the number 310,176,996?

 A:
Positive:   1 x 3101769962 x 1550884983 x 1033923324 x 775442496 x 5169616612 x 25848083
Negative: -1 x -310176996-2 x -155088498-3 x -103392332-4 x -77544249-6 x -51696166-12 x -25848083


How do I find the factor combinations of the number 310,176,996?

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 310,176,996, 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.

1 310,176,996
-1 -310,176,996

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 310,176,996.

Example:
1 x 310,176,996 = 310,176,996
and
-1 x -310,176,996 = 310,176,996
Notice both answers equal 310,176,996

With that explanation out of the way, let's continue. Next, we take the number 310,176,996 and divide it by 2:

310,176,996 ÷ 2 = 155,088,498

If the quotient is a whole number, then 2 and 155,088,498 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:

1 2 155,088,498 310,176,996
-1 -2 -155,088,498 -310,176,996

Now, we try dividing 310,176,996 by 3:

310,176,996 ÷ 3 = 103,392,332

If the quotient is a whole number, then 3 and 103,392,332 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:

1 2 3 103,392,332 155,088,498 310,176,996
-1 -2 -3 -103,392,332 -155,088,498 -310,176,996

Let's try dividing by 4:

310,176,996 ÷ 4 = 77,544,249

If the quotient is a whole number, then 4 and 77,544,249 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:

1 2 3 4 77,544,249 103,392,332 155,088,498 310,176,996
-1 -2 -3 -4 -77,544,249 -103,392,332 -155,088,498 310,176,996
Keep dividing by the next highest number until you cannot divide anymore.

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

123461225,848,08351,696,16677,544,249103,392,332155,088,498310,176,996
-1-2-3-4-6-12-25,848,083-51,696,166-77,544,249-103,392,332-155,088,498-310,176,996

More Examples

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