Q: What are the factor combinations of the number 2,721,732?

 A:
Positive:   1 x 27217322 x 13608663 x 9072444 x 6804336 x 45362212 x 22681113 x 20936426 x 10468239 x 6978852 x 5234173 x 3728478 x 34894146 x 18642156 x 17447219 x 12428239 x 11388292 x 9321438 x 6214478 x 5694717 x 3796876 x 3107949 x 2868956 x 28471434 x 1898
Negative: -1 x -2721732-2 x -1360866-3 x -907244-4 x -680433-6 x -453622-12 x -226811-13 x -209364-26 x -104682-39 x -69788-52 x -52341-73 x -37284-78 x -34894-146 x -18642-156 x -17447-219 x -12428-239 x -11388-292 x -9321-438 x -6214-478 x -5694-717 x -3796-876 x -3107-949 x -2868-956 x -2847-1434 x -1898


How do I find the factor combinations of the number 2,721,732?

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 2,721,732, 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 2,721,732
-1 -2,721,732

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 2,721,732.

Example:
1 x 2,721,732 = 2,721,732
and
-1 x -2,721,732 = 2,721,732
Notice both answers equal 2,721,732

With that explanation out of the way, let's continue. Next, we take the number 2,721,732 and divide it by 2:

2,721,732 ÷ 2 = 1,360,866

If the quotient is a whole number, then 2 and 1,360,866 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 1,360,866 2,721,732
-1 -2 -1,360,866 -2,721,732

Now, we try dividing 2,721,732 by 3:

2,721,732 ÷ 3 = 907,244

If the quotient is a whole number, then 3 and 907,244 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 3 907,244 1,360,866 2,721,732
-1 -2 -3 -907,244 -1,360,866 -2,721,732

Let's try dividing by 4:

2,721,732 ÷ 4 = 680,433

If the quotient is a whole number, then 4 and 680,433 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 4 680,433 907,244 1,360,866 2,721,732
-1 -2 -3 -4 -680,433 -907,244 -1,360,866 2,721,732
Keep dividing by the next highest number until you cannot divide anymore.

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

12346121326395273781461562192392924384787178769499561,4341,8982,8472,8683,1073,7965,6946,2149,32111,38812,42817,44718,64234,89437,28452,34169,788104,682209,364226,811453,622680,433907,2441,360,8662,721,732
-1-2-3-4-6-12-13-26-39-52-73-78-146-156-219-239-292-438-478-717-876-949-956-1,434-1,898-2,847-2,868-3,107-3,796-5,694-6,214-9,321-11,388-12,428-17,447-18,642-34,894-37,284-52,341-69,788-104,682-209,364-226,811-453,622-680,433-907,244-1,360,866-2,721,732

More Examples

Here are some more numbers to try:

2,721,7302,721,7312,721,7332,721,734
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