A:
Positive:
1 x 1156255877 x 1651794111 x 1051141777 x 1501631179 x 6459531253 x 922791969 x 587238389 x 13783
Negative:
-1 x -115625587-7 x -16517941-11 x -10511417-77 x -1501631-179 x -645953-1253 x -92279-1969 x -58723-8389 x -13783
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 115,625,587, 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 | 115,625,587 | |
| -1 | -115,625,587 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 115,625,587.
Example:
1 x 115,625,587 = 115,625,587
and
-1 x -115,625,587 = 115,625,587
Notice both answers equal 115,625,587
With that explanation out of the way, let's continue. Next, we take the number 115,625,587 and divide it by 2:
115,625,587 ÷ 2 = 57,812,793.5
If the quotient is a whole number, then 2 and 57,812,793.5 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 | 115,625,587 | |
| -1 | -115,625,587 |
Now, we try dividing 115,625,587 by 3:
115,625,587 ÷ 3 = 38,541,862.3333
If the quotient is a whole number, then 3 and 38,541,862.3333 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 | 115,625,587 | |
| -1 | -115,625,587 |
Let's try dividing by 4:
115,625,587 ÷ 4 = 28,906,396.75
If the quotient is a whole number, then 4 and 28,906,396.75 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 | 115,625,587 | |
| -1 | 115,625,587 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 179 | 1,253 | 1,969 | 8,389 | 13,783 | 58,723 | 92,279 | 645,953 | 1,501,631 | 10,511,417 | 16,517,941 | 115,625,587 |
| -1 | -7 | -11 | -77 | -179 | -1,253 | -1,969 | -8,389 | -13,783 | -58,723 | -92,279 | -645,953 | -1,501,631 | -10,511,417 | -16,517,941 | -115,625,587 |
Here are some more numbers to try:
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