A:
Positive:
1 x 1712040255 x 3424080517 x 1007082525 x 684816185 x 2014165103 x 1662175425 x 402833515 x 3324351751 x 977752575 x 664873911 x 437758755 x 19555
Negative:
-1 x -171204025-5 x -34240805-17 x -10070825-25 x -6848161-85 x -2014165-103 x -1662175-425 x -402833-515 x -332435-1751 x -97775-2575 x -66487-3911 x -43775-8755 x -19555
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 171,204,025, 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 | 171,204,025 | |
| -1 | -171,204,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 171,204,025.
Example:
1 x 171,204,025 = 171,204,025
and
-1 x -171,204,025 = 171,204,025
Notice both answers equal 171,204,025
With that explanation out of the way, let's continue. Next, we take the number 171,204,025 and divide it by 2:
171,204,025 ÷ 2 = 85,602,012.5
If the quotient is a whole number, then 2 and 85,602,012.5 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 | 171,204,025 | |
| -1 | -171,204,025 |
Now, we try dividing 171,204,025 by 3:
171,204,025 ÷ 3 = 57,068,008.3333
If the quotient is a whole number, then 3 and 57,068,008.3333 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 | 171,204,025 | |
| -1 | -171,204,025 |
Let's try dividing by 4:
171,204,025 ÷ 4 = 42,801,006.25
If the quotient is a whole number, then 4 and 42,801,006.25 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 | 171,204,025 | |
| -1 | 171,204,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 25 | 85 | 103 | 425 | 515 | 1,751 | 2,575 | 3,911 | 8,755 | 19,555 | 43,775 | 66,487 | 97,775 | 332,435 | 402,833 | 1,662,175 | 2,014,165 | 6,848,161 | 10,070,825 | 34,240,805 | 171,204,025 |
| -1 | -5 | -17 | -25 | -85 | -103 | -425 | -515 | -1,751 | -2,575 | -3,911 | -8,755 | -19,555 | -43,775 | -66,487 | -97,775 | -332,435 | -402,833 | -1,662,175 | -2,014,165 | -6,848,161 | -10,070,825 | -34,240,805 | -171,204,025 |
Here are some more numbers to try:
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