A:
Positive:
1 x 22252066111 x 20229151131 x 1698631307 x 724823503 x 4423871441 x 1544213377 x 658935533 x 40217
Negative:
-1 x -222520661-11 x -20229151-131 x -1698631-307 x -724823-503 x -442387-1441 x -154421-3377 x -65893-5533 x -40217
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 222,520,661, 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 | 222,520,661 | |
| -1 | -222,520,661 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 222,520,661.
Example:
1 x 222,520,661 = 222,520,661
and
-1 x -222,520,661 = 222,520,661
Notice both answers equal 222,520,661
With that explanation out of the way, let's continue. Next, we take the number 222,520,661 and divide it by 2:
222,520,661 ÷ 2 = 111,260,330.5
If the quotient is a whole number, then 2 and 111,260,330.5 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 | 222,520,661 | |
| -1 | -222,520,661 |
Now, we try dividing 222,520,661 by 3:
222,520,661 ÷ 3 = 74,173,553.6667
If the quotient is a whole number, then 3 and 74,173,553.6667 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 | 222,520,661 | |
| -1 | -222,520,661 |
Let's try dividing by 4:
222,520,661 ÷ 4 = 55,630,165.25
If the quotient is a whole number, then 4 and 55,630,165.25 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 | 222,520,661 | |
| -1 | 222,520,661 |
If you did it right, you will end up with this table:
| 1 | 11 | 131 | 307 | 503 | 1,441 | 3,377 | 5,533 | 40,217 | 65,893 | 154,421 | 442,387 | 724,823 | 1,698,631 | 20,229,151 | 222,520,661 |
| -1 | -11 | -131 | -307 | -503 | -1,441 | -3,377 | -5,533 | -40,217 | -65,893 | -154,421 | -442,387 | -724,823 | -1,698,631 | -20,229,151 | -222,520,661 |
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