A:
Positive:
1 x 4021222711 x 365565719 x 2116433181 x 222167209 x 1924031063 x 378291991 x 201973439 x 11693
Negative:
-1 x -40212227-11 x -3655657-19 x -2116433-181 x -222167-209 x -192403-1063 x -37829-1991 x -20197-3439 x -11693
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 40,212,227, 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 | 40,212,227 | |
| -1 | -40,212,227 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 40,212,227.
Example:
1 x 40,212,227 = 40,212,227
and
-1 x -40,212,227 = 40,212,227
Notice both answers equal 40,212,227
With that explanation out of the way, let's continue. Next, we take the number 40,212,227 and divide it by 2:
40,212,227 ÷ 2 = 20,106,113.5
If the quotient is a whole number, then 2 and 20,106,113.5 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 | 40,212,227 | |
| -1 | -40,212,227 |
Now, we try dividing 40,212,227 by 3:
40,212,227 ÷ 3 = 13,404,075.6667
If the quotient is a whole number, then 3 and 13,404,075.6667 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 | 40,212,227 | |
| -1 | -40,212,227 |
Let's try dividing by 4:
40,212,227 ÷ 4 = 10,053,056.75
If the quotient is a whole number, then 4 and 10,053,056.75 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 | 40,212,227 | |
| -1 | 40,212,227 |
If you did it right, you will end up with this table:
| 1 | 11 | 19 | 181 | 209 | 1,063 | 1,991 | 3,439 | 11,693 | 20,197 | 37,829 | 192,403 | 222,167 | 2,116,433 | 3,655,657 | 40,212,227 |
| -1 | -11 | -19 | -181 | -209 | -1,063 | -1,991 | -3,439 | -11,693 | -20,197 | -37,829 | -192,403 | -222,167 | -2,116,433 | -3,655,657 | -40,212,227 |
Here are some more numbers to try:
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