A:
Positive:
1 x 3251760855 x 6503521713 x 2501354517 x 1912800565 x 500270985 x 3825601221 x 14713851105 x 294277
Negative:
-1 x -325176085-5 x -65035217-13 x -25013545-17 x -19128005-65 x -5002709-85 x -3825601-221 x -1471385-1105 x -294277
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 325,176,085, 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 | 325,176,085 | |
| -1 | -325,176,085 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 325,176,085.
Example:
1 x 325,176,085 = 325,176,085
and
-1 x -325,176,085 = 325,176,085
Notice both answers equal 325,176,085
With that explanation out of the way, let's continue. Next, we take the number 325,176,085 and divide it by 2:
325,176,085 ÷ 2 = 162,588,042.5
If the quotient is a whole number, then 2 and 162,588,042.5 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 | 325,176,085 | |
| -1 | -325,176,085 |
Now, we try dividing 325,176,085 by 3:
325,176,085 ÷ 3 = 108,392,028.3333
If the quotient is a whole number, then 3 and 108,392,028.3333 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 | 325,176,085 | |
| -1 | -325,176,085 |
Let's try dividing by 4:
325,176,085 ÷ 4 = 81,294,021.25
If the quotient is a whole number, then 4 and 81,294,021.25 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 | 325,176,085 | |
| -1 | 325,176,085 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 17 | 65 | 85 | 221 | 1,105 | 294,277 | 1,471,385 | 3,825,601 | 5,002,709 | 19,128,005 | 25,013,545 | 65,035,217 | 325,176,085 |
| -1 | -5 | -13 | -17 | -65 | -85 | -221 | -1,105 | -294,277 | -1,471,385 | -3,825,601 | -5,002,709 | -19,128,005 | -25,013,545 | -65,035,217 | -325,176,085 |
Here are some more numbers to try:
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