A:
Positive:
1 x 969878917 x 57051729 x 334441103 x 94163191 x 50779493 x 196731751 x 55392987 x 3247
Negative:
-1 x -9698789-17 x -570517-29 x -334441-103 x -94163-191 x -50779-493 x -19673-1751 x -5539-2987 x -3247
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 9,698,789, 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 | 9,698,789 | |
| -1 | -9,698,789 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 9,698,789.
Example:
1 x 9,698,789 = 9,698,789
and
-1 x -9,698,789 = 9,698,789
Notice both answers equal 9,698,789
With that explanation out of the way, let's continue. Next, we take the number 9,698,789 and divide it by 2:
9,698,789 ÷ 2 = 4,849,394.5
If the quotient is a whole number, then 2 and 4,849,394.5 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 | 9,698,789 | |
| -1 | -9,698,789 |
Now, we try dividing 9,698,789 by 3:
9,698,789 ÷ 3 = 3,232,929.6667
If the quotient is a whole number, then 3 and 3,232,929.6667 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 | 9,698,789 | |
| -1 | -9,698,789 |
Let's try dividing by 4:
9,698,789 ÷ 4 = 2,424,697.25
If the quotient is a whole number, then 4 and 2,424,697.25 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 | 9,698,789 | |
| -1 | 9,698,789 |
If you did it right, you will end up with this table:
| 1 | 17 | 29 | 103 | 191 | 493 | 1,751 | 2,987 | 3,247 | 5,539 | 19,673 | 50,779 | 94,163 | 334,441 | 570,517 | 9,698,789 |
| -1 | -17 | -29 | -103 | -191 | -493 | -1,751 | -2,987 | -3,247 | -5,539 | -19,673 | -50,779 | -94,163 | -334,441 | -570,517 | -9,698,789 |
Here are some more numbers to try:
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