A:
Positive:
1 x 1198371255 x 2396742525 x 4793485125 x 958697277 x 4326251385 x 865253461 x 346256925 x 17305
Negative:
-1 x -119837125-5 x -23967425-25 x -4793485-125 x -958697-277 x -432625-1385 x -86525-3461 x -34625-6925 x -17305
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 119,837,125, 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 | 119,837,125 | |
| -1 | -119,837,125 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 119,837,125.
Example:
1 x 119,837,125 = 119,837,125
and
-1 x -119,837,125 = 119,837,125
Notice both answers equal 119,837,125
With that explanation out of the way, let's continue. Next, we take the number 119,837,125 and divide it by 2:
119,837,125 ÷ 2 = 59,918,562.5
If the quotient is a whole number, then 2 and 59,918,562.5 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 | 119,837,125 | |
| -1 | -119,837,125 |
Now, we try dividing 119,837,125 by 3:
119,837,125 ÷ 3 = 39,945,708.3333
If the quotient is a whole number, then 3 and 39,945,708.3333 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 | 119,837,125 | |
| -1 | -119,837,125 |
Let's try dividing by 4:
119,837,125 ÷ 4 = 29,959,281.25
If the quotient is a whole number, then 4 and 29,959,281.25 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 | 119,837,125 | |
| -1 | 119,837,125 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 125 | 277 | 1,385 | 3,461 | 6,925 | 17,305 | 34,625 | 86,525 | 432,625 | 958,697 | 4,793,485 | 23,967,425 | 119,837,125 |
| -1 | -5 | -25 | -125 | -277 | -1,385 | -3,461 | -6,925 | -17,305 | -34,625 | -86,525 | -432,625 | -958,697 | -4,793,485 | -23,967,425 | -119,837,125 |
Here are some more numbers to try:
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