A:
Positive:
1 x 232080655 x 464161337 x 627245185 x 125449331 x 70115379 x 612351655 x 140231895 x 12247
Negative:
-1 x -23208065-5 x -4641613-37 x -627245-185 x -125449-331 x -70115-379 x -61235-1655 x -14023-1895 x -12247
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 23,208,065, 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 | 23,208,065 | |
| -1 | -23,208,065 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,208,065.
Example:
1 x 23,208,065 = 23,208,065
and
-1 x -23,208,065 = 23,208,065
Notice both answers equal 23,208,065
With that explanation out of the way, let's continue. Next, we take the number 23,208,065 and divide it by 2:
23,208,065 ÷ 2 = 11,604,032.5
If the quotient is a whole number, then 2 and 11,604,032.5 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 | 23,208,065 | |
| -1 | -23,208,065 |
Now, we try dividing 23,208,065 by 3:
23,208,065 ÷ 3 = 7,736,021.6667
If the quotient is a whole number, then 3 and 7,736,021.6667 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 | 23,208,065 | |
| -1 | -23,208,065 |
Let's try dividing by 4:
23,208,065 ÷ 4 = 5,802,016.25
If the quotient is a whole number, then 4 and 5,802,016.25 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 | 23,208,065 | |
| -1 | 23,208,065 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 185 | 331 | 379 | 1,655 | 1,895 | 12,247 | 14,023 | 61,235 | 70,115 | 125,449 | 627,245 | 4,641,613 | 23,208,065 |
| -1 | -5 | -37 | -185 | -331 | -379 | -1,655 | -1,895 | -12,247 | -14,023 | -61,235 | -70,115 | -125,449 | -627,245 | -4,641,613 | -23,208,065 |
Here are some more numbers to try:
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