A:
Positive:
1 x 85048817 x 121498311 x 77317131 x 27435149 x 17356977 x 110453217 x 39193341 x 24941509 x 16709539 x 157791519 x 55992387 x 3563
Negative:
-1 x -8504881-7 x -1214983-11 x -773171-31 x -274351-49 x -173569-77 x -110453-217 x -39193-341 x -24941-509 x -16709-539 x -15779-1519 x -5599-2387 x -3563
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 8,504,881, 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 | 8,504,881 | |
| -1 | -8,504,881 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 8,504,881.
Example:
1 x 8,504,881 = 8,504,881
and
-1 x -8,504,881 = 8,504,881
Notice both answers equal 8,504,881
With that explanation out of the way, let's continue. Next, we take the number 8,504,881 and divide it by 2:
8,504,881 ÷ 2 = 4,252,440.5
If the quotient is a whole number, then 2 and 4,252,440.5 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 | 8,504,881 | |
| -1 | -8,504,881 |
Now, we try dividing 8,504,881 by 3:
8,504,881 ÷ 3 = 2,834,960.3333
If the quotient is a whole number, then 3 and 2,834,960.3333 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 | 8,504,881 | |
| -1 | -8,504,881 |
Let's try dividing by 4:
8,504,881 ÷ 4 = 2,126,220.25
If the quotient is a whole number, then 4 and 2,126,220.25 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 | 8,504,881 | |
| -1 | 8,504,881 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 31 | 49 | 77 | 217 | 341 | 509 | 539 | 1,519 | 2,387 | 3,563 | 5,599 | 15,779 | 16,709 | 24,941 | 39,193 | 110,453 | 173,569 | 274,351 | 773,171 | 1,214,983 | 8,504,881 |
| -1 | -7 | -11 | -31 | -49 | -77 | -217 | -341 | -509 | -539 | -1,519 | -2,387 | -3,563 | -5,599 | -15,779 | -16,709 | -24,941 | -39,193 | -110,453 | -173,569 | -274,351 | -773,171 | -1,214,983 | -8,504,881 |
Here are some more numbers to try:
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