A:
Positive:
1 x 1662266697 x 2374666741 x 405430949 x 339238197 x 1713677287 x 579187679 x 244811853 x 1948732009 x 827413977 x 417974753 x 349735971 x 27839
Negative:
-1 x -166226669-7 x -23746667-41 x -4054309-49 x -3392381-97 x -1713677-287 x -579187-679 x -244811-853 x -194873-2009 x -82741-3977 x -41797-4753 x -34973-5971 x -27839
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 166,226,669, 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 | 166,226,669 | |
| -1 | -166,226,669 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 166,226,669.
Example:
1 x 166,226,669 = 166,226,669
and
-1 x -166,226,669 = 166,226,669
Notice both answers equal 166,226,669
With that explanation out of the way, let's continue. Next, we take the number 166,226,669 and divide it by 2:
166,226,669 ÷ 2 = 83,113,334.5
If the quotient is a whole number, then 2 and 83,113,334.5 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 | 166,226,669 | |
| -1 | -166,226,669 |
Now, we try dividing 166,226,669 by 3:
166,226,669 ÷ 3 = 55,408,889.6667
If the quotient is a whole number, then 3 and 55,408,889.6667 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 | 166,226,669 | |
| -1 | -166,226,669 |
Let's try dividing by 4:
166,226,669 ÷ 4 = 41,556,667.25
If the quotient is a whole number, then 4 and 41,556,667.25 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 | 166,226,669 | |
| -1 | 166,226,669 |
If you did it right, you will end up with this table:
| 1 | 7 | 41 | 49 | 97 | 287 | 679 | 853 | 2,009 | 3,977 | 4,753 | 5,971 | 27,839 | 34,973 | 41,797 | 82,741 | 194,873 | 244,811 | 579,187 | 1,713,677 | 3,392,381 | 4,054,309 | 23,746,667 | 166,226,669 |
| -1 | -7 | -41 | -49 | -97 | -287 | -679 | -853 | -2,009 | -3,977 | -4,753 | -5,971 | -27,839 | -34,973 | -41,797 | -82,741 | -194,873 | -244,811 | -579,187 | -1,713,677 | -3,392,381 | -4,054,309 | -23,746,667 | -166,226,669 |
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