A:
Positive:
1 x 20603116729 x 7104523131 x 1572757193 x 1067519281 x 7332073799 x 542335597 x 368118149 x 25283
Negative:
-1 x -206031167-29 x -7104523-131 x -1572757-193 x -1067519-281 x -733207-3799 x -54233-5597 x -36811-8149 x -25283
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 206,031,167, 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 | 206,031,167 | |
| -1 | -206,031,167 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 206,031,167.
Example:
1 x 206,031,167 = 206,031,167
and
-1 x -206,031,167 = 206,031,167
Notice both answers equal 206,031,167
With that explanation out of the way, let's continue. Next, we take the number 206,031,167 and divide it by 2:
206,031,167 ÷ 2 = 103,015,583.5
If the quotient is a whole number, then 2 and 103,015,583.5 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 | 206,031,167 | |
| -1 | -206,031,167 |
Now, we try dividing 206,031,167 by 3:
206,031,167 ÷ 3 = 68,677,055.6667
If the quotient is a whole number, then 3 and 68,677,055.6667 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 | 206,031,167 | |
| -1 | -206,031,167 |
Let's try dividing by 4:
206,031,167 ÷ 4 = 51,507,791.75
If the quotient is a whole number, then 4 and 51,507,791.75 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 | 206,031,167 | |
| -1 | 206,031,167 |
If you did it right, you will end up with this table:
| 1 | 29 | 131 | 193 | 281 | 3,799 | 5,597 | 8,149 | 25,283 | 36,811 | 54,233 | 733,207 | 1,067,519 | 1,572,757 | 7,104,523 | 206,031,167 |
| -1 | -29 | -131 | -193 | -281 | -3,799 | -5,597 | -8,149 | -25,283 | -36,811 | -54,233 | -733,207 | -1,067,519 | -1,572,757 | -7,104,523 | -206,031,167 |
Here are some more numbers to try:
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