A:
Positive:
1 x 29288055 x 58576111 x 26625547 x 6231555 x 53251103 x 28435121 x 24205235 x 12463515 x 5687517 x 5665605 x 48411133 x 2585
Negative:
-1 x -2928805-5 x -585761-11 x -266255-47 x -62315-55 x -53251-103 x -28435-121 x -24205-235 x -12463-515 x -5687-517 x -5665-605 x -4841-1133 x -2585
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 2,928,805, 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 | 2,928,805 | |
| -1 | -2,928,805 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,928,805.
Example:
1 x 2,928,805 = 2,928,805
and
-1 x -2,928,805 = 2,928,805
Notice both answers equal 2,928,805
With that explanation out of the way, let's continue. Next, we take the number 2,928,805 and divide it by 2:
2,928,805 ÷ 2 = 1,464,402.5
If the quotient is a whole number, then 2 and 1,464,402.5 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 | 2,928,805 | |
| -1 | -2,928,805 |
Now, we try dividing 2,928,805 by 3:
2,928,805 ÷ 3 = 976,268.3333
If the quotient is a whole number, then 3 and 976,268.3333 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 | 2,928,805 | |
| -1 | -2,928,805 |
Let's try dividing by 4:
2,928,805 ÷ 4 = 732,201.25
If the quotient is a whole number, then 4 and 732,201.25 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 | 2,928,805 | |
| -1 | 2,928,805 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 47 | 55 | 103 | 121 | 235 | 515 | 517 | 605 | 1,133 | 2,585 | 4,841 | 5,665 | 5,687 | 12,463 | 24,205 | 28,435 | 53,251 | 62,315 | 266,255 | 585,761 | 2,928,805 |
| -1 | -5 | -11 | -47 | -55 | -103 | -121 | -235 | -515 | -517 | -605 | -1,133 | -2,585 | -4,841 | -5,665 | -5,687 | -12,463 | -24,205 | -28,435 | -53,251 | -62,315 | -266,255 | -585,761 | -2,928,805 |
Here are some more numbers to try:
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