A:
Positive:
1 x 1268528755 x 2537057525 x 5074115125 x 1014823677 x 1873751499 x 846253385 x 374757495 x 16925
Negative:
-1 x -126852875-5 x -25370575-25 x -5074115-125 x -1014823-677 x -187375-1499 x -84625-3385 x -37475-7495 x -16925
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 126,852,875, 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 | 126,852,875 | |
| -1 | -126,852,875 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 126,852,875.
Example:
1 x 126,852,875 = 126,852,875
and
-1 x -126,852,875 = 126,852,875
Notice both answers equal 126,852,875
With that explanation out of the way, let's continue. Next, we take the number 126,852,875 and divide it by 2:
126,852,875 ÷ 2 = 63,426,437.5
If the quotient is a whole number, then 2 and 63,426,437.5 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 | 126,852,875 | |
| -1 | -126,852,875 |
Now, we try dividing 126,852,875 by 3:
126,852,875 ÷ 3 = 42,284,291.6667
If the quotient is a whole number, then 3 and 42,284,291.6667 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 | 126,852,875 | |
| -1 | -126,852,875 |
Let's try dividing by 4:
126,852,875 ÷ 4 = 31,713,218.75
If the quotient is a whole number, then 4 and 31,713,218.75 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 | 126,852,875 | |
| -1 | 126,852,875 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 125 | 677 | 1,499 | 3,385 | 7,495 | 16,925 | 37,475 | 84,625 | 187,375 | 1,014,823 | 5,074,115 | 25,370,575 | 126,852,875 |
| -1 | -5 | -25 | -125 | -677 | -1,499 | -3,385 | -7,495 | -16,925 | -37,475 | -84,625 | -187,375 | -1,014,823 | -5,074,115 | -25,370,575 | -126,852,875 |
Here are some more numbers to try:
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