A:
Positive:
1 x 231082855 x 4621657127 x 181955151 x 153035241 x 95885635 x 36391755 x 306071205 x 19177
Negative:
-1 x -23108285-5 x -4621657-127 x -181955-151 x -153035-241 x -95885-635 x -36391-755 x -30607-1205 x -19177
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 23,108,285, 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 | 23,108,285 | |
| -1 | -23,108,285 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,108,285.
Example:
1 x 23,108,285 = 23,108,285
and
-1 x -23,108,285 = 23,108,285
Notice both answers equal 23,108,285
With that explanation out of the way, let's continue. Next, we take the number 23,108,285 and divide it by 2:
23,108,285 ÷ 2 = 11,554,142.5
If the quotient is a whole number, then 2 and 11,554,142.5 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 | 23,108,285 | |
| -1 | -23,108,285 |
Now, we try dividing 23,108,285 by 3:
23,108,285 ÷ 3 = 7,702,761.6667
If the quotient is a whole number, then 3 and 7,702,761.6667 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 | 23,108,285 | |
| -1 | -23,108,285 |
Let's try dividing by 4:
23,108,285 ÷ 4 = 5,777,071.25
If the quotient is a whole number, then 4 and 5,777,071.25 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 | 23,108,285 | |
| -1 | 23,108,285 |
If you did it right, you will end up with this table:
| 1 | 5 | 127 | 151 | 241 | 635 | 755 | 1,205 | 19,177 | 30,607 | 36,391 | 95,885 | 153,035 | 181,955 | 4,621,657 | 23,108,285 |
| -1 | -5 | -127 | -151 | -241 | -635 | -755 | -1,205 | -19,177 | -30,607 | -36,391 | -95,885 | -153,035 | -181,955 | -4,621,657 | -23,108,285 |
Here are some more numbers to try:
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