Q: What are the factor combinations of the number 330,360?

 A:
Positive:   1 x 3303602 x 1651803 x 1101204 x 825905 x 660726 x 550608 x 4129510 x 3303612 x 2753015 x 2202420 x 1651824 x 1376530 x 1101240 x 825960 x 5506120 x 2753
Negative: -1 x -330360-2 x -165180-3 x -110120-4 x -82590-5 x -66072-6 x -55060-8 x -41295-10 x -33036-12 x -27530-15 x -22024-20 x -16518-24 x -13765-30 x -11012-40 x -8259-60 x -5506-120 x -2753


How do I find the factor combinations of the number 330,360?

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 330,360, 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.

1 330,360
-1 -330,360

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 330,360.

Example:
1 x 330,360 = 330,360
and
-1 x -330,360 = 330,360
Notice both answers equal 330,360

With that explanation out of the way, let's continue. Next, we take the number 330,360 and divide it by 2:

330,360 ÷ 2 = 165,180

If the quotient is a whole number, then 2 and 165,180 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 2 165,180 330,360
-1 -2 -165,180 -330,360

Now, we try dividing 330,360 by 3:

330,360 ÷ 3 = 110,120

If the quotient is a whole number, then 3 and 110,120 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 3 110,120 165,180 330,360
-1 -2 -3 -110,120 -165,180 -330,360

Let's try dividing by 4:

330,360 ÷ 4 = 82,590

If the quotient is a whole number, then 4 and 82,590 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 82,590 110,120 165,180 330,360
-1 -2 -3 -4 -82,590 -110,120 -165,180 330,360
Keep dividing by the next highest number until you cannot divide anymore.

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

123456810121520243040601202,7535,5068,25911,01213,76516,51822,02427,53033,03641,29555,06066,07282,590110,120165,180330,360
-1-2-3-4-5-6-8-10-12-15-20-24-30-40-60-120-2,753-5,506-8,259-11,012-13,765-16,518-22,024-27,530-33,036-41,295-55,060-66,072-82,590-110,120-165,180-330,360

More Examples

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