Q: What are the factor combinations of the number 243,431,028?

 A:
Positive:   1 x 2434310282 x 1217155143 x 811436764 x 608577576 x 405718389 x 2704789212 x 2028591918 x 1352394627 x 901596436 x 676197354 x 4507982108 x 2253991191 x 1274508382 x 637254573 x 424836764 x 3186271146 x 2124181719 x 1416122292 x 1062093438 x 708065157 x 472046876 x 3540310314 x 2360211801 x 20628
Negative: -1 x -243431028-2 x -121715514-3 x -81143676-4 x -60857757-6 x -40571838-9 x -27047892-12 x -20285919-18 x -13523946-27 x -9015964-36 x -6761973-54 x -4507982-108 x -2253991-191 x -1274508-382 x -637254-573 x -424836-764 x -318627-1146 x -212418-1719 x -141612-2292 x -106209-3438 x -70806-5157 x -47204-6876 x -35403-10314 x -23602-11801 x -20628


How do I find the factor combinations of the number 243,431,028?

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 243,431,028, 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.

1 243,431,028
-1 -243,431,028

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 243,431,028.

Example:
1 x 243,431,028 = 243,431,028
and
-1 x -243,431,028 = 243,431,028
Notice both answers equal 243,431,028

With that explanation out of the way, let's continue. Next, we take the number 243,431,028 and divide it by 2:

243,431,028 ÷ 2 = 121,715,514

If the quotient is a whole number, then 2 and 121,715,514 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 2 121,715,514 243,431,028
-1 -2 -121,715,514 -243,431,028

Now, we try dividing 243,431,028 by 3:

243,431,028 ÷ 3 = 81,143,676

If the quotient is a whole number, then 3 and 81,143,676 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 81,143,676 121,715,514 243,431,028
-1 -2 -3 -81,143,676 -121,715,514 -243,431,028

Let's try dividing by 4:

243,431,028 ÷ 4 = 60,857,757

If the quotient is a whole number, then 4 and 60,857,757 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 60,857,757 81,143,676 121,715,514 243,431,028
-1 -2 -3 -4 -60,857,757 -81,143,676 -121,715,514 243,431,028
Keep dividing by the next highest number until you cannot divide anymore.

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

12346912182736541081913825737641,1461,7192,2923,4385,1576,87610,31411,80120,62823,60235,40347,20470,806106,209141,612212,418318,627424,836637,2541,274,5082,253,9914,507,9826,761,9739,015,96413,523,94620,285,91927,047,89240,571,83860,857,75781,143,676121,715,514243,431,028
-1-2-3-4-6-9-12-18-27-36-54-108-191-382-573-764-1,146-1,719-2,292-3,438-5,157-6,876-10,314-11,801-20,628-23,602-35,403-47,204-70,806-106,209-141,612-212,418-318,627-424,836-637,254-1,274,508-2,253,991-4,507,982-6,761,973-9,015,964-13,523,946-20,285,919-27,047,892-40,571,838-60,857,757-81,143,676-121,715,514-243,431,028

More Examples

Here are some more numbers to try:

243,431,026243,431,027243,431,029243,431,030
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