A:
Positive:
1 x 77829297 x 111184711 x 70753961 x 12758977 x 101077427 x 18227671 x 115991657 x 4697
Negative:
-1 x -7782929-7 x -1111847-11 x -707539-61 x -127589-77 x -101077-427 x -18227-671 x -11599-1657 x -4697
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 7,782,929, 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 | 7,782,929 | |
| -1 | -7,782,929 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,782,929.
Example:
1 x 7,782,929 = 7,782,929
and
-1 x -7,782,929 = 7,782,929
Notice both answers equal 7,782,929
With that explanation out of the way, let's continue. Next, we take the number 7,782,929 and divide it by 2:
7,782,929 ÷ 2 = 3,891,464.5
If the quotient is a whole number, then 2 and 3,891,464.5 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 | 7,782,929 | |
| -1 | -7,782,929 |
Now, we try dividing 7,782,929 by 3:
7,782,929 ÷ 3 = 2,594,309.6667
If the quotient is a whole number, then 3 and 2,594,309.6667 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 | 7,782,929 | |
| -1 | -7,782,929 |
Let's try dividing by 4:
7,782,929 ÷ 4 = 1,945,732.25
If the quotient is a whole number, then 4 and 1,945,732.25 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 | 7,782,929 | |
| -1 | 7,782,929 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 61 | 77 | 427 | 671 | 1,657 | 4,697 | 11,599 | 18,227 | 101,077 | 127,589 | 707,539 | 1,111,847 | 7,782,929 |
| -1 | -7 | -11 | -61 | -77 | -427 | -671 | -1,657 | -4,697 | -11,599 | -18,227 | -101,077 | -127,589 | -707,539 | -1,111,847 | -7,782,929 |
Here are some more numbers to try:
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