A:
Positive:
1 x 3250167837 x 4643096913 x 2500129191 x 3571613569 x 5712073983 x 816016277 x 517797397 x 43939
Negative:
-1 x -325016783-7 x -46430969-13 x -25001291-91 x -3571613-569 x -571207-3983 x -81601-6277 x -51779-7397 x -43939
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 325,016,783, 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 | 325,016,783 | |
| -1 | -325,016,783 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 325,016,783.
Example:
1 x 325,016,783 = 325,016,783
and
-1 x -325,016,783 = 325,016,783
Notice both answers equal 325,016,783
With that explanation out of the way, let's continue. Next, we take the number 325,016,783 and divide it by 2:
325,016,783 ÷ 2 = 162,508,391.5
If the quotient is a whole number, then 2 and 162,508,391.5 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 | 325,016,783 | |
| -1 | -325,016,783 |
Now, we try dividing 325,016,783 by 3:
325,016,783 ÷ 3 = 108,338,927.6667
If the quotient is a whole number, then 3 and 108,338,927.6667 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 | 325,016,783 | |
| -1 | -325,016,783 |
Let's try dividing by 4:
325,016,783 ÷ 4 = 81,254,195.75
If the quotient is a whole number, then 4 and 81,254,195.75 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 | 325,016,783 | |
| -1 | 325,016,783 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 91 | 569 | 3,983 | 6,277 | 7,397 | 43,939 | 51,779 | 81,601 | 571,207 | 3,571,613 | 25,001,291 | 46,430,969 | 325,016,783 |
| -1 | -7 | -13 | -91 | -569 | -3,983 | -6,277 | -7,397 | -43,939 | -51,779 | -81,601 | -571,207 | -3,571,613 | -25,001,291 | -46,430,969 | -325,016,783 |
Here are some more numbers to try:
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