A:
Positive:
1 x 168493855 x 33698777 x 240705535 x 48141149 x 34386597 x 173705245 x 68773485 x 34741679 x 24815709 x 237653395 x 49633545 x 4753
Negative:
-1 x -16849385-5 x -3369877-7 x -2407055-35 x -481411-49 x -343865-97 x -173705-245 x -68773-485 x -34741-679 x -24815-709 x -23765-3395 x -4963-3545 x -4753
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 16,849,385, 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 | 16,849,385 | |
| -1 | -16,849,385 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,849,385.
Example:
1 x 16,849,385 = 16,849,385
and
-1 x -16,849,385 = 16,849,385
Notice both answers equal 16,849,385
With that explanation out of the way, let's continue. Next, we take the number 16,849,385 and divide it by 2:
16,849,385 ÷ 2 = 8,424,692.5
If the quotient is a whole number, then 2 and 8,424,692.5 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 | 16,849,385 | |
| -1 | -16,849,385 |
Now, we try dividing 16,849,385 by 3:
16,849,385 ÷ 3 = 5,616,461.6667
If the quotient is a whole number, then 3 and 5,616,461.6667 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 | 16,849,385 | |
| -1 | -16,849,385 |
Let's try dividing by 4:
16,849,385 ÷ 4 = 4,212,346.25
If the quotient is a whole number, then 4 and 4,212,346.25 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 | 16,849,385 | |
| -1 | 16,849,385 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 97 | 245 | 485 | 679 | 709 | 3,395 | 3,545 | 4,753 | 4,963 | 23,765 | 24,815 | 34,741 | 68,773 | 173,705 | 343,865 | 481,411 | 2,407,055 | 3,369,877 | 16,849,385 |
| -1 | -5 | -7 | -35 | -49 | -97 | -245 | -485 | -679 | -709 | -3,395 | -3,545 | -4,753 | -4,963 | -23,765 | -24,815 | -34,741 | -68,773 | -173,705 | -343,865 | -481,411 | -2,407,055 | -3,369,877 | -16,849,385 |
Here are some more numbers to try:
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