A:
Positive:
1 x 109317655 x 218635313 x 84090517 x 64304565 x 16818185 x 128609169 x 64685221 x 49465761 x 14365845 x 129371105 x 98932873 x 3805
Negative:
-1 x -10931765-5 x -2186353-13 x -840905-17 x -643045-65 x -168181-85 x -128609-169 x -64685-221 x -49465-761 x -14365-845 x -12937-1105 x -9893-2873 x -3805
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 10,931,765, 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 | 10,931,765 | |
| -1 | -10,931,765 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,931,765.
Example:
1 x 10,931,765 = 10,931,765
and
-1 x -10,931,765 = 10,931,765
Notice both answers equal 10,931,765
With that explanation out of the way, let's continue. Next, we take the number 10,931,765 and divide it by 2:
10,931,765 ÷ 2 = 5,465,882.5
If the quotient is a whole number, then 2 and 5,465,882.5 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 | 10,931,765 | |
| -1 | -10,931,765 |
Now, we try dividing 10,931,765 by 3:
10,931,765 ÷ 3 = 3,643,921.6667
If the quotient is a whole number, then 3 and 3,643,921.6667 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 | 10,931,765 | |
| -1 | -10,931,765 |
Let's try dividing by 4:
10,931,765 ÷ 4 = 2,732,941.25
If the quotient is a whole number, then 4 and 2,732,941.25 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 | 10,931,765 | |
| -1 | 10,931,765 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 17 | 65 | 85 | 169 | 221 | 761 | 845 | 1,105 | 2,873 | 3,805 | 9,893 | 12,937 | 14,365 | 49,465 | 64,685 | 128,609 | 168,181 | 643,045 | 840,905 | 2,186,353 | 10,931,765 |
| -1 | -5 | -13 | -17 | -65 | -85 | -169 | -221 | -761 | -845 | -1,105 | -2,873 | -3,805 | -9,893 | -12,937 | -14,365 | -49,465 | -64,685 | -128,609 | -168,181 | -643,045 | -840,905 | -2,186,353 | -10,931,765 |
Here are some more numbers to try:
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