A:
Positive:
1 x 789202711 x 71745713 x 607079143 x 55189229 x 34463241 x 327472519 x 31332651 x 2977
Negative:
-1 x -7892027-11 x -717457-13 x -607079-143 x -55189-229 x -34463-241 x -32747-2519 x -3133-2651 x -2977
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 7,892,027, 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 | 7,892,027 | |
| -1 | -7,892,027 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,892,027.
Example:
1 x 7,892,027 = 7,892,027
and
-1 x -7,892,027 = 7,892,027
Notice both answers equal 7,892,027
With that explanation out of the way, let's continue. Next, we take the number 7,892,027 and divide it by 2:
7,892,027 ÷ 2 = 3,946,013.5
If the quotient is a whole number, then 2 and 3,946,013.5 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 | 7,892,027 | |
| -1 | -7,892,027 |
Now, we try dividing 7,892,027 by 3:
7,892,027 ÷ 3 = 2,630,675.6667
If the quotient is a whole number, then 3 and 2,630,675.6667 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 | 7,892,027 | |
| -1 | -7,892,027 |
Let's try dividing by 4:
7,892,027 ÷ 4 = 1,973,006.75
If the quotient is a whole number, then 4 and 1,973,006.75 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 | 7,892,027 | |
| -1 | 7,892,027 |
If you did it right, you will end up with this table:
| 1 | 11 | 13 | 143 | 229 | 241 | 2,519 | 2,651 | 2,977 | 3,133 | 32,747 | 34,463 | 55,189 | 607,079 | 717,457 | 7,892,027 |
| -1 | -11 | -13 | -143 | -229 | -241 | -2,519 | -2,651 | -2,977 | -3,133 | -32,747 | -34,463 | -55,189 | -607,079 | -717,457 | -7,892,027 |
Here are some more numbers to try:
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