A:
Positive:
1 x 2707258455 x 5414516913 x 2082506565 x 41650131949 x 1389052137 x 1266859745 x 2778110685 x 25337
Negative:
-1 x -270725845-5 x -54145169-13 x -20825065-65 x -4165013-1949 x -138905-2137 x -126685-9745 x -27781-10685 x -25337
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 270,725,845, 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 | 270,725,845 | |
| -1 | -270,725,845 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 270,725,845.
Example:
1 x 270,725,845 = 270,725,845
and
-1 x -270,725,845 = 270,725,845
Notice both answers equal 270,725,845
With that explanation out of the way, let's continue. Next, we take the number 270,725,845 and divide it by 2:
270,725,845 ÷ 2 = 135,362,922.5
If the quotient is a whole number, then 2 and 135,362,922.5 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 | 270,725,845 | |
| -1 | -270,725,845 |
Now, we try dividing 270,725,845 by 3:
270,725,845 ÷ 3 = 90,241,948.3333
If the quotient is a whole number, then 3 and 90,241,948.3333 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 | 270,725,845 | |
| -1 | -270,725,845 |
Let's try dividing by 4:
270,725,845 ÷ 4 = 67,681,461.25
If the quotient is a whole number, then 4 and 67,681,461.25 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 | 270,725,845 | |
| -1 | 270,725,845 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 1,949 | 2,137 | 9,745 | 10,685 | 25,337 | 27,781 | 126,685 | 138,905 | 4,165,013 | 20,825,065 | 54,145,169 | 270,725,845 |
| -1 | -5 | -13 | -65 | -1,949 | -2,137 | -9,745 | -10,685 | -25,337 | -27,781 | -126,685 | -138,905 | -4,165,013 | -20,825,065 | -54,145,169 | -270,725,845 |
Here are some more numbers to try:
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