A:
Positive:
1 x 20400001713 x 1569230917 x 1200000119 x 10736843221 x 923077247 x 825911323 x 631579361 x 5650972557 x 797814199 x 485834693 x 434696137 x 33241
Negative:
-1 x -204000017-13 x -15692309-17 x -12000001-19 x -10736843-221 x -923077-247 x -825911-323 x -631579-361 x -565097-2557 x -79781-4199 x -48583-4693 x -43469-6137 x -33241
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 204,000,017, 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 | 204,000,017 | |
| -1 | -204,000,017 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 204,000,017.
Example:
1 x 204,000,017 = 204,000,017
and
-1 x -204,000,017 = 204,000,017
Notice both answers equal 204,000,017
With that explanation out of the way, let's continue. Next, we take the number 204,000,017 and divide it by 2:
204,000,017 ÷ 2 = 102,000,008.5
If the quotient is a whole number, then 2 and 102,000,008.5 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 | 204,000,017 | |
| -1 | -204,000,017 |
Now, we try dividing 204,000,017 by 3:
204,000,017 ÷ 3 = 68,000,005.6667
If the quotient is a whole number, then 3 and 68,000,005.6667 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 | 204,000,017 | |
| -1 | -204,000,017 |
Let's try dividing by 4:
204,000,017 ÷ 4 = 51,000,004.25
If the quotient is a whole number, then 4 and 51,000,004.25 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 | 204,000,017 | |
| -1 | 204,000,017 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 19 | 221 | 247 | 323 | 361 | 2,557 | 4,199 | 4,693 | 6,137 | 33,241 | 43,469 | 48,583 | 79,781 | 565,097 | 631,579 | 825,911 | 923,077 | 10,736,843 | 12,000,001 | 15,692,309 | 204,000,017 |
| -1 | -13 | -17 | -19 | -221 | -247 | -323 | -361 | -2,557 | -4,199 | -4,693 | -6,137 | -33,241 | -43,469 | -48,583 | -79,781 | -565,097 | -631,579 | -825,911 | -923,077 | -10,736,843 | -12,000,001 | -15,692,309 | -204,000,017 |
Here are some more numbers to try:
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