A:
Positive:
1 x 1043042217 x 1490060337 x 2819033257 x 405853259 x 4027191567 x 665631799 x 579799509 x 10969
Negative:
-1 x -104304221-7 x -14900603-37 x -2819033-257 x -405853-259 x -402719-1567 x -66563-1799 x -57979-9509 x -10969
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 104,304,221, 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 | 104,304,221 | |
| -1 | -104,304,221 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 104,304,221.
Example:
1 x 104,304,221 = 104,304,221
and
-1 x -104,304,221 = 104,304,221
Notice both answers equal 104,304,221
With that explanation out of the way, let's continue. Next, we take the number 104,304,221 and divide it by 2:
104,304,221 ÷ 2 = 52,152,110.5
If the quotient is a whole number, then 2 and 52,152,110.5 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 | 104,304,221 | |
| -1 | -104,304,221 |
Now, we try dividing 104,304,221 by 3:
104,304,221 ÷ 3 = 34,768,073.6667
If the quotient is a whole number, then 3 and 34,768,073.6667 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 | 104,304,221 | |
| -1 | -104,304,221 |
Let's try dividing by 4:
104,304,221 ÷ 4 = 26,076,055.25
If the quotient is a whole number, then 4 and 26,076,055.25 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 | 104,304,221 | |
| -1 | 104,304,221 |
If you did it right, you will end up with this table:
| 1 | 7 | 37 | 257 | 259 | 1,567 | 1,799 | 9,509 | 10,969 | 57,979 | 66,563 | 402,719 | 405,853 | 2,819,033 | 14,900,603 | 104,304,221 |
| -1 | -7 | -37 | -257 | -259 | -1,567 | -1,799 | -9,509 | -10,969 | -57,979 | -66,563 | -402,719 | -405,853 | -2,819,033 | -14,900,603 | -104,304,221 |
Here are some more numbers to try:
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