A:
Positive:
1 x 1045114217 x 1493020337 x 2824633259 x 403519271 x 3856511489 x 701891897 x 5509310027 x 10423
Negative:
-1 x -104511421-7 x -14930203-37 x -2824633-259 x -403519-271 x -385651-1489 x -70189-1897 x -55093-10027 x -10423
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 104,511,421, 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 | 104,511,421 | |
| -1 | -104,511,421 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 104,511,421.
Example:
1 x 104,511,421 = 104,511,421
and
-1 x -104,511,421 = 104,511,421
Notice both answers equal 104,511,421
With that explanation out of the way, let's continue. Next, we take the number 104,511,421 and divide it by 2:
104,511,421 ÷ 2 = 52,255,710.5
If the quotient is a whole number, then 2 and 52,255,710.5 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 | 104,511,421 | |
| -1 | -104,511,421 |
Now, we try dividing 104,511,421 by 3:
104,511,421 ÷ 3 = 34,837,140.3333
If the quotient is a whole number, then 3 and 34,837,140.3333 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 | 104,511,421 | |
| -1 | -104,511,421 |
Let's try dividing by 4:
104,511,421 ÷ 4 = 26,127,855.25
If the quotient is a whole number, then 4 and 26,127,855.25 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 | 104,511,421 | |
| -1 | 104,511,421 |
If you did it right, you will end up with this table:
| 1 | 7 | 37 | 259 | 271 | 1,489 | 1,897 | 10,027 | 10,423 | 55,093 | 70,189 | 385,651 | 403,519 | 2,824,633 | 14,930,203 | 104,511,421 |
| -1 | -7 | -37 | -259 | -271 | -1,489 | -1,897 | -10,027 | -10,423 | -55,093 | -70,189 | -385,651 | -403,519 | -2,824,633 | -14,930,203 | -104,511,421 |
Here are some more numbers to try:
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