A:
Positive:
1 x 31084137 x 44405911 x 28258349 x 6343773 x 4258177 x 4036979 x 39347511 x 6083539 x 5767553 x 5621803 x 3871869 x 3577
Negative:
-1 x -3108413-7 x -444059-11 x -282583-49 x -63437-73 x -42581-77 x -40369-79 x -39347-511 x -6083-539 x -5767-553 x -5621-803 x -3871-869 x -3577
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 3,108,413, 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 | 3,108,413 | |
| -1 | -3,108,413 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,108,413.
Example:
1 x 3,108,413 = 3,108,413
and
-1 x -3,108,413 = 3,108,413
Notice both answers equal 3,108,413
With that explanation out of the way, let's continue. Next, we take the number 3,108,413 and divide it by 2:
3,108,413 ÷ 2 = 1,554,206.5
If the quotient is a whole number, then 2 and 1,554,206.5 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 | 3,108,413 | |
| -1 | -3,108,413 |
Now, we try dividing 3,108,413 by 3:
3,108,413 ÷ 3 = 1,036,137.6667
If the quotient is a whole number, then 3 and 1,036,137.6667 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 | 3,108,413 | |
| -1 | -3,108,413 |
Let's try dividing by 4:
3,108,413 ÷ 4 = 777,103.25
If the quotient is a whole number, then 4 and 777,103.25 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 | 3,108,413 | |
| -1 | 3,108,413 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 49 | 73 | 77 | 79 | 511 | 539 | 553 | 803 | 869 | 3,577 | 3,871 | 5,621 | 5,767 | 6,083 | 39,347 | 40,369 | 42,581 | 63,437 | 282,583 | 444,059 | 3,108,413 |
| -1 | -7 | -11 | -49 | -73 | -77 | -79 | -511 | -539 | -553 | -803 | -869 | -3,577 | -3,871 | -5,621 | -5,767 | -6,083 | -39,347 | -40,369 | -42,581 | -63,437 | -282,583 | -444,059 | -3,108,413 |
Here are some more numbers to try:
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