A:
Positive:
1 x 23124424713 x 1778801953 x 4363099101 x 2289547689 x 3356231313 x 1761193323 x 695895353 x 43199
Negative:
-1 x -231244247-13 x -17788019-53 x -4363099-101 x -2289547-689 x -335623-1313 x -176119-3323 x -69589-5353 x -43199
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 231,244,247, 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 | 231,244,247 | |
| -1 | -231,244,247 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 231,244,247.
Example:
1 x 231,244,247 = 231,244,247
and
-1 x -231,244,247 = 231,244,247
Notice both answers equal 231,244,247
With that explanation out of the way, let's continue. Next, we take the number 231,244,247 and divide it by 2:
231,244,247 ÷ 2 = 115,622,123.5
If the quotient is a whole number, then 2 and 115,622,123.5 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 | 231,244,247 | |
| -1 | -231,244,247 |
Now, we try dividing 231,244,247 by 3:
231,244,247 ÷ 3 = 77,081,415.6667
If the quotient is a whole number, then 3 and 77,081,415.6667 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 | 231,244,247 | |
| -1 | -231,244,247 |
Let's try dividing by 4:
231,244,247 ÷ 4 = 57,811,061.75
If the quotient is a whole number, then 4 and 57,811,061.75 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 | 231,244,247 | |
| -1 | 231,244,247 |
If you did it right, you will end up with this table:
| 1 | 13 | 53 | 101 | 689 | 1,313 | 3,323 | 5,353 | 43,199 | 69,589 | 176,119 | 335,623 | 2,289,547 | 4,363,099 | 17,788,019 | 231,244,247 |
| -1 | -13 | -53 | -101 | -689 | -1,313 | -3,323 | -5,353 | -43,199 | -69,589 | -176,119 | -335,623 | -2,289,547 | -4,363,099 | -17,788,019 | -231,244,247 |
Here are some more numbers to try:
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