A:
Positive:
1 x 2767408255 x 5534816525 x 1106963353 x 5221525265 x 1044305331 x 836075631 x 4385751325 x 2088611655 x 1672153155 x 877158275 x 3344315775 x 17543
Negative:
-1 x -276740825-5 x -55348165-25 x -11069633-53 x -5221525-265 x -1044305-331 x -836075-631 x -438575-1325 x -208861-1655 x -167215-3155 x -87715-8275 x -33443-15775 x -17543
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 276,740,825, 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 | 276,740,825 | |
| -1 | -276,740,825 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 276,740,825.
Example:
1 x 276,740,825 = 276,740,825
and
-1 x -276,740,825 = 276,740,825
Notice both answers equal 276,740,825
With that explanation out of the way, let's continue. Next, we take the number 276,740,825 and divide it by 2:
276,740,825 ÷ 2 = 138,370,412.5
If the quotient is a whole number, then 2 and 138,370,412.5 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 | 276,740,825 | |
| -1 | -276,740,825 |
Now, we try dividing 276,740,825 by 3:
276,740,825 ÷ 3 = 92,246,941.6667
If the quotient is a whole number, then 3 and 92,246,941.6667 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 | 276,740,825 | |
| -1 | -276,740,825 |
Let's try dividing by 4:
276,740,825 ÷ 4 = 69,185,206.25
If the quotient is a whole number, then 4 and 69,185,206.25 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 | 276,740,825 | |
| -1 | 276,740,825 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 53 | 265 | 331 | 631 | 1,325 | 1,655 | 3,155 | 8,275 | 15,775 | 17,543 | 33,443 | 87,715 | 167,215 | 208,861 | 438,575 | 836,075 | 1,044,305 | 5,221,525 | 11,069,633 | 55,348,165 | 276,740,825 |
| -1 | -5 | -25 | -53 | -265 | -331 | -631 | -1,325 | -1,655 | -3,155 | -8,275 | -15,775 | -17,543 | -33,443 | -87,715 | -167,215 | -208,861 | -438,575 | -836,075 | -1,044,305 | -5,221,525 | -11,069,633 | -55,348,165 | -276,740,825 |
Here are some more numbers to try:
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