A:
Positive:
1 x 133731655 x 267463313 x 102870565 x 205741283 x 47255727 x 183951415 x 94513635 x 3679
Negative:
-1 x -13373165-5 x -2674633-13 x -1028705-65 x -205741-283 x -47255-727 x -18395-1415 x -9451-3635 x -3679
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 13,373,165, it is easier to work with a table - it's called factoring from the outside in.
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 | 13,373,165 | |
| -1 | -13,373,165 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,373,165.
Example:
1 x 13,373,165 = 13,373,165
and
-1 x -13,373,165 = 13,373,165
Notice both answers equal 13,373,165
With that explanation out of the way, let's continue. Next, we take the number 13,373,165 and divide it by 2:
13,373,165 ÷ 2 = 6,686,582.5
If the quotient is a whole number, then 2 and 6,686,582.5 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 | 13,373,165 | |
| -1 | -13,373,165 |
Now, we try dividing 13,373,165 by 3:
13,373,165 ÷ 3 = 4,457,721.6667
If the quotient is a whole number, then 3 and 4,457,721.6667 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 | 13,373,165 | |
| -1 | -13,373,165 |
Let's try dividing by 4:
13,373,165 ÷ 4 = 3,343,291.25
If the quotient is a whole number, then 4 and 3,343,291.25 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 | 13,373,165 | |
| -1 | 13,373,165 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 283 | 727 | 1,415 | 3,635 | 3,679 | 9,451 | 18,395 | 47,255 | 205,741 | 1,028,705 | 2,674,633 | 13,373,165 |
| -1 | -5 | -13 | -65 | -283 | -727 | -1,415 | -3,635 | -3,679 | -9,451 | -18,395 | -47,255 | -205,741 | -1,028,705 | -2,674,633 | -13,373,165 |
Here are some more numbers to try:
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