A:
Positive:
1 x 32550178713 x 2503859919 x 1713167343 x 7569809247 x 1317821361 x 901667559 x 582293817 x 3984111613 x 2017994693 x 6935910621 x 3064715523 x 20969
Negative:
-1 x -325501787-13 x -25038599-19 x -17131673-43 x -7569809-247 x -1317821-361 x -901667-559 x -582293-817 x -398411-1613 x -201799-4693 x -69359-10621 x -30647-15523 x -20969
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 325,501,787, 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 | 325,501,787 | |
| -1 | -325,501,787 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 325,501,787.
Example:
1 x 325,501,787 = 325,501,787
and
-1 x -325,501,787 = 325,501,787
Notice both answers equal 325,501,787
With that explanation out of the way, let's continue. Next, we take the number 325,501,787 and divide it by 2:
325,501,787 ÷ 2 = 162,750,893.5
If the quotient is a whole number, then 2 and 162,750,893.5 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 | 325,501,787 | |
| -1 | -325,501,787 |
Now, we try dividing 325,501,787 by 3:
325,501,787 ÷ 3 = 108,500,595.6667
If the quotient is a whole number, then 3 and 108,500,595.6667 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 | 325,501,787 | |
| -1 | -325,501,787 |
Let's try dividing by 4:
325,501,787 ÷ 4 = 81,375,446.75
If the quotient is a whole number, then 4 and 81,375,446.75 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 | 325,501,787 | |
| -1 | 325,501,787 |
If you did it right, you will end up with this table:
| 1 | 13 | 19 | 43 | 247 | 361 | 559 | 817 | 1,613 | 4,693 | 10,621 | 15,523 | 20,969 | 30,647 | 69,359 | 201,799 | 398,411 | 582,293 | 901,667 | 1,317,821 | 7,569,809 | 17,131,673 | 25,038,599 | 325,501,787 |
| -1 | -13 | -19 | -43 | -247 | -361 | -559 | -817 | -1,613 | -4,693 | -10,621 | -15,523 | -20,969 | -30,647 | -69,359 | -201,799 | -398,411 | -582,293 | -901,667 | -1,317,821 | -7,569,809 | -17,131,673 | -25,038,599 | -325,501,787 |
Here are some more numbers to try:
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