A:
Positive:
1 x 23412013313 x 1800924153 x 4417361103 x 2273011689 x 3397971339 x 1748473299 x 709675459 x 42887
Negative:
-1 x -234120133-13 x -18009241-53 x -4417361-103 x -2273011-689 x -339797-1339 x -174847-3299 x -70967-5459 x -42887
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 234,120,133, 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 | 234,120,133 | |
| -1 | -234,120,133 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 234,120,133.
Example:
1 x 234,120,133 = 234,120,133
and
-1 x -234,120,133 = 234,120,133
Notice both answers equal 234,120,133
With that explanation out of the way, let's continue. Next, we take the number 234,120,133 and divide it by 2:
234,120,133 ÷ 2 = 117,060,066.5
If the quotient is a whole number, then 2 and 117,060,066.5 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 | 234,120,133 | |
| -1 | -234,120,133 |
Now, we try dividing 234,120,133 by 3:
234,120,133 ÷ 3 = 78,040,044.3333
If the quotient is a whole number, then 3 and 78,040,044.3333 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 | 234,120,133 | |
| -1 | -234,120,133 |
Let's try dividing by 4:
234,120,133 ÷ 4 = 58,530,033.25
If the quotient is a whole number, then 4 and 58,530,033.25 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 | 234,120,133 | |
| -1 | 234,120,133 |
If you did it right, you will end up with this table:
| 1 | 13 | 53 | 103 | 689 | 1,339 | 3,299 | 5,459 | 42,887 | 70,967 | 174,847 | 339,797 | 2,273,011 | 4,417,361 | 18,009,241 | 234,120,133 |
| -1 | -13 | -53 | -103 | -689 | -1,339 | -3,299 | -5,459 | -42,887 | -70,967 | -174,847 | -339,797 | -2,273,011 | -4,417,361 | -18,009,241 | -234,120,133 |
Here are some more numbers to try:
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