A:
Positive:
1 x 106806055 x 213612113 x 82158537 x 28866565 x 164317185 x 57733481 x 222052405 x 4441
Negative:
-1 x -10680605-5 x -2136121-13 x -821585-37 x -288665-65 x -164317-185 x -57733-481 x -22205-2405 x -4441
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 10,680,605, 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 | 10,680,605 | |
| -1 | -10,680,605 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,680,605.
Example:
1 x 10,680,605 = 10,680,605
and
-1 x -10,680,605 = 10,680,605
Notice both answers equal 10,680,605
With that explanation out of the way, let's continue. Next, we take the number 10,680,605 and divide it by 2:
10,680,605 ÷ 2 = 5,340,302.5
If the quotient is a whole number, then 2 and 5,340,302.5 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 | 10,680,605 | |
| -1 | -10,680,605 |
Now, we try dividing 10,680,605 by 3:
10,680,605 ÷ 3 = 3,560,201.6667
If the quotient is a whole number, then 3 and 3,560,201.6667 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 | 10,680,605 | |
| -1 | -10,680,605 |
Let's try dividing by 4:
10,680,605 ÷ 4 = 2,670,151.25
If the quotient is a whole number, then 4 and 2,670,151.25 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 | 10,680,605 | |
| -1 | 10,680,605 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 37 | 65 | 185 | 481 | 2,405 | 4,441 | 22,205 | 57,733 | 164,317 | 288,665 | 821,585 | 2,136,121 | 10,680,605 |
| -1 | -5 | -13 | -37 | -65 | -185 | -481 | -2,405 | -4,441 | -22,205 | -57,733 | -164,317 | -288,665 | -821,585 | -2,136,121 | -10,680,605 |
Here are some more numbers to try:
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