A:
Positive:
1 x 1254755055 x 2509510143 x 2918035215 x 583607307 x 4087151535 x 817431901 x 660059505 x 13201
Negative:
-1 x -125475505-5 x -25095101-43 x -2918035-215 x -583607-307 x -408715-1535 x -81743-1901 x -66005-9505 x -13201
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 125,475,505, 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 | 125,475,505 | |
| -1 | -125,475,505 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 125,475,505.
Example:
1 x 125,475,505 = 125,475,505
and
-1 x -125,475,505 = 125,475,505
Notice both answers equal 125,475,505
With that explanation out of the way, let's continue. Next, we take the number 125,475,505 and divide it by 2:
125,475,505 ÷ 2 = 62,737,752.5
If the quotient is a whole number, then 2 and 62,737,752.5 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 | 125,475,505 | |
| -1 | -125,475,505 |
Now, we try dividing 125,475,505 by 3:
125,475,505 ÷ 3 = 41,825,168.3333
If the quotient is a whole number, then 3 and 41,825,168.3333 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 | 125,475,505 | |
| -1 | -125,475,505 |
Let's try dividing by 4:
125,475,505 ÷ 4 = 31,368,876.25
If the quotient is a whole number, then 4 and 31,368,876.25 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 | 125,475,505 | |
| -1 | 125,475,505 |
If you did it right, you will end up with this table:
| 1 | 5 | 43 | 215 | 307 | 1,535 | 1,901 | 9,505 | 13,201 | 66,005 | 81,743 | 408,715 | 583,607 | 2,918,035 | 25,095,101 | 125,475,505 |
| -1 | -5 | -43 | -215 | -307 | -1,535 | -1,901 | -9,505 | -13,201 | -66,005 | -81,743 | -408,715 | -583,607 | -2,918,035 | -25,095,101 | -125,475,505 |
Here are some more numbers to try:
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