A:
Positive:
1 x 1716610637 x 2452300929 x 591934749 x 3503287107 x 1604309203 x 845621749 x 2291871129 x 1520471421 x 1208033103 x 553215243 x 327417903 x 21721
Negative:
-1 x -171661063-7 x -24523009-29 x -5919347-49 x -3503287-107 x -1604309-203 x -845621-749 x -229187-1129 x -152047-1421 x -120803-3103 x -55321-5243 x -32741-7903 x -21721
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 171,661,063, 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 | 171,661,063 | |
| -1 | -171,661,063 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 171,661,063.
Example:
1 x 171,661,063 = 171,661,063
and
-1 x -171,661,063 = 171,661,063
Notice both answers equal 171,661,063
With that explanation out of the way, let's continue. Next, we take the number 171,661,063 and divide it by 2:
171,661,063 ÷ 2 = 85,830,531.5
If the quotient is a whole number, then 2 and 85,830,531.5 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 | 171,661,063 | |
| -1 | -171,661,063 |
Now, we try dividing 171,661,063 by 3:
171,661,063 ÷ 3 = 57,220,354.3333
If the quotient is a whole number, then 3 and 57,220,354.3333 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 | 171,661,063 | |
| -1 | -171,661,063 |
Let's try dividing by 4:
171,661,063 ÷ 4 = 42,915,265.75
If the quotient is a whole number, then 4 and 42,915,265.75 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 | 171,661,063 | |
| -1 | 171,661,063 |
If you did it right, you will end up with this table:
| 1 | 7 | 29 | 49 | 107 | 203 | 749 | 1,129 | 1,421 | 3,103 | 5,243 | 7,903 | 21,721 | 32,741 | 55,321 | 120,803 | 152,047 | 229,187 | 845,621 | 1,604,309 | 3,503,287 | 5,919,347 | 24,523,009 | 171,661,063 |
| -1 | -7 | -29 | -49 | -107 | -203 | -749 | -1,129 | -1,421 | -3,103 | -5,243 | -7,903 | -21,721 | -32,741 | -55,321 | -120,803 | -152,047 | -229,187 | -845,621 | -1,604,309 | -3,503,287 | -5,919,347 | -24,523,009 | -171,661,063 |
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