A:
Positive:
1 x 105817155 x 211634353 x 19965573 x 144955265 x 39931365 x 28991547 x 193452735 x 3869
Negative:
-1 x -10581715-5 x -2116343-53 x -199655-73 x -144955-265 x -39931-365 x -28991-547 x -19345-2735 x -3869
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 10,581,715, 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 | 10,581,715 | |
| -1 | -10,581,715 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,581,715.
Example:
1 x 10,581,715 = 10,581,715
and
-1 x -10,581,715 = 10,581,715
Notice both answers equal 10,581,715
With that explanation out of the way, let's continue. Next, we take the number 10,581,715 and divide it by 2:
10,581,715 ÷ 2 = 5,290,857.5
If the quotient is a whole number, then 2 and 5,290,857.5 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 | 10,581,715 | |
| -1 | -10,581,715 |
Now, we try dividing 10,581,715 by 3:
10,581,715 ÷ 3 = 3,527,238.3333
If the quotient is a whole number, then 3 and 3,527,238.3333 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 | 10,581,715 | |
| -1 | -10,581,715 |
Let's try dividing by 4:
10,581,715 ÷ 4 = 2,645,428.75
If the quotient is a whole number, then 4 and 2,645,428.75 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 | 10,581,715 | |
| -1 | 10,581,715 |
If you did it right, you will end up with this table:
| 1 | 5 | 53 | 73 | 265 | 365 | 547 | 2,735 | 3,869 | 19,345 | 28,991 | 39,931 | 144,955 | 199,655 | 2,116,343 | 10,581,715 |
| -1 | -5 | -53 | -73 | -265 | -365 | -547 | -2,735 | -3,869 | -19,345 | -28,991 | -39,931 | -144,955 | -199,655 | -2,116,343 | -10,581,715 |
Here are some more numbers to try:
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