A:
Positive:
1 x 1254246055 x 2508492119 x 660129531 x 404595595 x 1320259155 x 809191589 x 2129452945 x 42589
Negative:
-1 x -125424605-5 x -25084921-19 x -6601295-31 x -4045955-95 x -1320259-155 x -809191-589 x -212945-2945 x -42589
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 125,424,605, 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 | 125,424,605 | |
| -1 | -125,424,605 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 125,424,605.
Example:
1 x 125,424,605 = 125,424,605
and
-1 x -125,424,605 = 125,424,605
Notice both answers equal 125,424,605
With that explanation out of the way, let's continue. Next, we take the number 125,424,605 and divide it by 2:
125,424,605 ÷ 2 = 62,712,302.5
If the quotient is a whole number, then 2 and 62,712,302.5 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 | 125,424,605 | |
| -1 | -125,424,605 |
Now, we try dividing 125,424,605 by 3:
125,424,605 ÷ 3 = 41,808,201.6667
If the quotient is a whole number, then 3 and 41,808,201.6667 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 | 125,424,605 | |
| -1 | -125,424,605 |
Let's try dividing by 4:
125,424,605 ÷ 4 = 31,356,151.25
If the quotient is a whole number, then 4 and 31,356,151.25 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 | 125,424,605 | |
| -1 | 125,424,605 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 31 | 95 | 155 | 589 | 2,945 | 42,589 | 212,945 | 809,191 | 1,320,259 | 4,045,955 | 6,601,295 | 25,084,921 | 125,424,605 |
| -1 | -5 | -19 | -31 | -95 | -155 | -589 | -2,945 | -42,589 | -212,945 | -809,191 | -1,320,259 | -4,045,955 | -6,601,295 | -25,084,921 | -125,424,605 |
Here are some more numbers to try:
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