A:
Positive:
1 x 20705610717 x 1217977137 x 559611153 x 3906719629 x 329183901 x 2298071961 x 1055876211 x 33337
Negative:
-1 x -207056107-17 x -12179771-37 x -5596111-53 x -3906719-629 x -329183-901 x -229807-1961 x -105587-6211 x -33337
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 207,056,107, 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 | 207,056,107 | |
| -1 | -207,056,107 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 207,056,107.
Example:
1 x 207,056,107 = 207,056,107
and
-1 x -207,056,107 = 207,056,107
Notice both answers equal 207,056,107
With that explanation out of the way, let's continue. Next, we take the number 207,056,107 and divide it by 2:
207,056,107 ÷ 2 = 103,528,053.5
If the quotient is a whole number, then 2 and 103,528,053.5 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 | 207,056,107 | |
| -1 | -207,056,107 |
Now, we try dividing 207,056,107 by 3:
207,056,107 ÷ 3 = 69,018,702.3333
If the quotient is a whole number, then 3 and 69,018,702.3333 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 | 207,056,107 | |
| -1 | -207,056,107 |
Let's try dividing by 4:
207,056,107 ÷ 4 = 51,764,026.75
If the quotient is a whole number, then 4 and 51,764,026.75 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 | 207,056,107 | |
| -1 | 207,056,107 |
If you did it right, you will end up with this table:
| 1 | 17 | 37 | 53 | 629 | 901 | 1,961 | 6,211 | 33,337 | 105,587 | 229,807 | 329,183 | 3,906,719 | 5,596,111 | 12,179,771 | 207,056,107 |
| -1 | -17 | -37 | -53 | -629 | -901 | -1,961 | -6,211 | -33,337 | -105,587 | -229,807 | -329,183 | -3,906,719 | -5,596,111 | -12,179,771 | -207,056,107 |
Here are some more numbers to try:
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