A:
Positive:
1 x 106783855 x 213567737 x 288605185 x 57721197 x 54205293 x 36445985 x 108411465 x 7289
Negative:
-1 x -10678385-5 x -2135677-37 x -288605-185 x -57721-197 x -54205-293 x -36445-985 x -10841-1465 x -7289
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 10,678,385, 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 | 10,678,385 | |
| -1 | -10,678,385 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,678,385.
Example:
1 x 10,678,385 = 10,678,385
and
-1 x -10,678,385 = 10,678,385
Notice both answers equal 10,678,385
With that explanation out of the way, let's continue. Next, we take the number 10,678,385 and divide it by 2:
10,678,385 ÷ 2 = 5,339,192.5
If the quotient is a whole number, then 2 and 5,339,192.5 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 | 10,678,385 | |
| -1 | -10,678,385 |
Now, we try dividing 10,678,385 by 3:
10,678,385 ÷ 3 = 3,559,461.6667
If the quotient is a whole number, then 3 and 3,559,461.6667 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 | 10,678,385 | |
| -1 | -10,678,385 |
Let's try dividing by 4:
10,678,385 ÷ 4 = 2,669,596.25
If the quotient is a whole number, then 4 and 2,669,596.25 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 | 10,678,385 | |
| -1 | 10,678,385 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 185 | 197 | 293 | 985 | 1,465 | 7,289 | 10,841 | 36,445 | 54,205 | 57,721 | 288,605 | 2,135,677 | 10,678,385 |
| -1 | -5 | -37 | -185 | -197 | -293 | -985 | -1,465 | -7,289 | -10,841 | -36,445 | -54,205 | -57,721 | -288,605 | -2,135,677 | -10,678,385 |
Here are some more numbers to try:
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