A:
Positive:
1 x 109212355 x 218424713 x 84009565 x 168019401 x 27235419 x 260652005 x 54472095 x 5213
Negative:
-1 x -10921235-5 x -2184247-13 x -840095-65 x -168019-401 x -27235-419 x -26065-2005 x -5447-2095 x -5213
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 10,921,235, 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 | 10,921,235 | |
| -1 | -10,921,235 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,921,235.
Example:
1 x 10,921,235 = 10,921,235
and
-1 x -10,921,235 = 10,921,235
Notice both answers equal 10,921,235
With that explanation out of the way, let's continue. Next, we take the number 10,921,235 and divide it by 2:
10,921,235 ÷ 2 = 5,460,617.5
If the quotient is a whole number, then 2 and 5,460,617.5 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 | 10,921,235 | |
| -1 | -10,921,235 |
Now, we try dividing 10,921,235 by 3:
10,921,235 ÷ 3 = 3,640,411.6667
If the quotient is a whole number, then 3 and 3,640,411.6667 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 | 10,921,235 | |
| -1 | -10,921,235 |
Let's try dividing by 4:
10,921,235 ÷ 4 = 2,730,308.75
If the quotient is a whole number, then 4 and 2,730,308.75 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 | 10,921,235 | |
| -1 | 10,921,235 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 401 | 419 | 2,005 | 2,095 | 5,213 | 5,447 | 26,065 | 27,235 | 168,019 | 840,095 | 2,184,247 | 10,921,235 |
| -1 | -5 | -13 | -65 | -401 | -419 | -2,005 | -2,095 | -5,213 | -5,447 | -26,065 | -27,235 | -168,019 | -840,095 | -2,184,247 | -10,921,235 |
Here are some more numbers to try:
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