A:
Positive:
1 x 3261471297 x 4659244711 x 2964973977 x 4235677179 x 18220511253 x 2602931969 x 16564113783 x 23663
Negative:
-1 x -326147129-7 x -46592447-11 x -29649739-77 x -4235677-179 x -1822051-1253 x -260293-1969 x -165641-13783 x -23663
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 326,147,129, 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 | 326,147,129 | |
| -1 | -326,147,129 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 326,147,129.
Example:
1 x 326,147,129 = 326,147,129
and
-1 x -326,147,129 = 326,147,129
Notice both answers equal 326,147,129
With that explanation out of the way, let's continue. Next, we take the number 326,147,129 and divide it by 2:
326,147,129 ÷ 2 = 163,073,564.5
If the quotient is a whole number, then 2 and 163,073,564.5 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 | 326,147,129 | |
| -1 | -326,147,129 |
Now, we try dividing 326,147,129 by 3:
326,147,129 ÷ 3 = 108,715,709.6667
If the quotient is a whole number, then 3 and 108,715,709.6667 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 | 326,147,129 | |
| -1 | -326,147,129 |
Let's try dividing by 4:
326,147,129 ÷ 4 = 81,536,782.25
If the quotient is a whole number, then 4 and 81,536,782.25 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 | 326,147,129 | |
| -1 | 326,147,129 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 179 | 1,253 | 1,969 | 13,783 | 23,663 | 165,641 | 260,293 | 1,822,051 | 4,235,677 | 29,649,739 | 46,592,447 | 326,147,129 |
| -1 | -7 | -11 | -77 | -179 | -1,253 | -1,969 | -13,783 | -23,663 | -165,641 | -260,293 | -1,822,051 | -4,235,677 | -29,649,739 | -46,592,447 | -326,147,129 |
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