A:
Positive:
1 x 25001466113 x 1923189737 x 675715361 x 4098601481 x 519781793 x 3152772257 x 1107738521 x 29341
Negative:
-1 x -250014661-13 x -19231897-37 x -6757153-61 x -4098601-481 x -519781-793 x -315277-2257 x -110773-8521 x -29341
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 250,014,661, 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 | 250,014,661 | |
| -1 | -250,014,661 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 250,014,661.
Example:
1 x 250,014,661 = 250,014,661
and
-1 x -250,014,661 = 250,014,661
Notice both answers equal 250,014,661
With that explanation out of the way, let's continue. Next, we take the number 250,014,661 and divide it by 2:
250,014,661 ÷ 2 = 125,007,330.5
If the quotient is a whole number, then 2 and 125,007,330.5 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 | 250,014,661 | |
| -1 | -250,014,661 |
Now, we try dividing 250,014,661 by 3:
250,014,661 ÷ 3 = 83,338,220.3333
If the quotient is a whole number, then 3 and 83,338,220.3333 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 | 250,014,661 | |
| -1 | -250,014,661 |
Let's try dividing by 4:
250,014,661 ÷ 4 = 62,503,665.25
If the quotient is a whole number, then 4 and 62,503,665.25 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 | 250,014,661 | |
| -1 | 250,014,661 |
If you did it right, you will end up with this table:
| 1 | 13 | 37 | 61 | 481 | 793 | 2,257 | 8,521 | 29,341 | 110,773 | 315,277 | 519,781 | 4,098,601 | 6,757,153 | 19,231,897 | 250,014,661 |
| -1 | -13 | -37 | -61 | -481 | -793 | -2,257 | -8,521 | -29,341 | -110,773 | -315,277 | -519,781 | -4,098,601 | -6,757,153 | -19,231,897 | -250,014,661 |
Here are some more numbers to try:
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