Q: What are the factor combinations of the number 2,737,231?

 A:
Positive:   1 x 27372317 x 391033127 x 21553889 x 3079
Negative: -1 x -2737231-7 x -391033-127 x -21553-889 x -3079


How do I find the factor combinations of the number 2,737,231?

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 2,737,231, 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 2,737,231
-1 -2,737,231

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 2,737,231.

Example:
1 x 2,737,231 = 2,737,231
and
-1 x -2,737,231 = 2,737,231
Notice both answers equal 2,737,231

With that explanation out of the way, let's continue. Next, we take the number 2,737,231 and divide it by 2:

2,737,231 ÷ 2 = 1,368,615.5

If the quotient is a whole number, then 2 and 1,368,615.5 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 2,737,231
-1 -2,737,231

Now, we try dividing 2,737,231 by 3:

2,737,231 ÷ 3 = 912,410.3333

If the quotient is a whole number, then 3 and 912,410.3333 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 2,737,231
-1 -2,737,231

Let's try dividing by 4:

2,737,231 ÷ 4 = 684,307.75

If the quotient is a whole number, then 4 and 684,307.75 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 2,737,231
-1 2,737,231
Keep dividing by the next highest number until you cannot divide anymore.

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

171278893,07921,553391,0332,737,231
-1-7-127-889-3,079-21,553-391,033-2,737,231

More Examples

Here are some more numbers to try:

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