A:
Positive:
1 x 275019297 x 392884713 x 211553331 x 88715991 x 302219217 x 126737403 x 682432821 x 9749
Negative:
-1 x -27501929-7 x -3928847-13 x -2115533-31 x -887159-91 x -302219-217 x -126737-403 x -68243-2821 x -9749
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 27,501,929, 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 | 27,501,929 | |
| -1 | -27,501,929 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 27,501,929.
Example:
1 x 27,501,929 = 27,501,929
and
-1 x -27,501,929 = 27,501,929
Notice both answers equal 27,501,929
With that explanation out of the way, let's continue. Next, we take the number 27,501,929 and divide it by 2:
27,501,929 ÷ 2 = 13,750,964.5
If the quotient is a whole number, then 2 and 13,750,964.5 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 | 27,501,929 | |
| -1 | -27,501,929 |
Now, we try dividing 27,501,929 by 3:
27,501,929 ÷ 3 = 9,167,309.6667
If the quotient is a whole number, then 3 and 9,167,309.6667 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 | 27,501,929 | |
| -1 | -27,501,929 |
Let's try dividing by 4:
27,501,929 ÷ 4 = 6,875,482.25
If the quotient is a whole number, then 4 and 6,875,482.25 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 | 27,501,929 | |
| -1 | 27,501,929 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 31 | 91 | 217 | 403 | 2,821 | 9,749 | 68,243 | 126,737 | 302,219 | 887,159 | 2,115,533 | 3,928,847 | 27,501,929 |
| -1 | -7 | -13 | -31 | -91 | -217 | -403 | -2,821 | -9,749 | -68,243 | -126,737 | -302,219 | -887,159 | -2,115,533 | -3,928,847 | -27,501,929 |
Here are some more numbers to try:
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