A:
Positive:
1 x 1376637055 x 2753274117 x 809786547 x 292901585 x 1619573235 x 585803289 x 476345799 x 1722951445 x 952692027 x 679153995 x 3445910135 x 13583
Negative:
-1 x -137663705-5 x -27532741-17 x -8097865-47 x -2929015-85 x -1619573-235 x -585803-289 x -476345-799 x -172295-1445 x -95269-2027 x -67915-3995 x -34459-10135 x -13583
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 137,663,705, 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 | 137,663,705 | |
| -1 | -137,663,705 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 137,663,705.
Example:
1 x 137,663,705 = 137,663,705
and
-1 x -137,663,705 = 137,663,705
Notice both answers equal 137,663,705
With that explanation out of the way, let's continue. Next, we take the number 137,663,705 and divide it by 2:
137,663,705 ÷ 2 = 68,831,852.5
If the quotient is a whole number, then 2 and 68,831,852.5 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 | 137,663,705 | |
| -1 | -137,663,705 |
Now, we try dividing 137,663,705 by 3:
137,663,705 ÷ 3 = 45,887,901.6667
If the quotient is a whole number, then 3 and 45,887,901.6667 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 | 137,663,705 | |
| -1 | -137,663,705 |
Let's try dividing by 4:
137,663,705 ÷ 4 = 34,415,926.25
If the quotient is a whole number, then 4 and 34,415,926.25 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 | 137,663,705 | |
| -1 | 137,663,705 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 47 | 85 | 235 | 289 | 799 | 1,445 | 2,027 | 3,995 | 10,135 | 13,583 | 34,459 | 67,915 | 95,269 | 172,295 | 476,345 | 585,803 | 1,619,573 | 2,929,015 | 8,097,865 | 27,532,741 | 137,663,705 |
| -1 | -5 | -17 | -47 | -85 | -235 | -289 | -799 | -1,445 | -2,027 | -3,995 | -10,135 | -13,583 | -34,459 | -67,915 | -95,269 | -172,295 | -476,345 | -585,803 | -1,619,573 | -2,929,015 | -8,097,865 | -27,532,741 | -137,663,705 |
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