A:
Positive:
1 x 76989717 x 109985319 x 405209107 x 71953133 x 57887541 x 14231749 x 102792033 x 3787
Negative:
-1 x -7698971-7 x -1099853-19 x -405209-107 x -71953-133 x -57887-541 x -14231-749 x -10279-2033 x -3787
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 7,698,971, 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 | 7,698,971 | |
| -1 | -7,698,971 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,698,971.
Example:
1 x 7,698,971 = 7,698,971
and
-1 x -7,698,971 = 7,698,971
Notice both answers equal 7,698,971
With that explanation out of the way, let's continue. Next, we take the number 7,698,971 and divide it by 2:
7,698,971 ÷ 2 = 3,849,485.5
If the quotient is a whole number, then 2 and 3,849,485.5 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 | 7,698,971 | |
| -1 | -7,698,971 |
Now, we try dividing 7,698,971 by 3:
7,698,971 ÷ 3 = 2,566,323.6667
If the quotient is a whole number, then 3 and 2,566,323.6667 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 | 7,698,971 | |
| -1 | -7,698,971 |
Let's try dividing by 4:
7,698,971 ÷ 4 = 1,924,742.75
If the quotient is a whole number, then 4 and 1,924,742.75 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 | 7,698,971 | |
| -1 | 7,698,971 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 107 | 133 | 541 | 749 | 2,033 | 3,787 | 10,279 | 14,231 | 57,887 | 71,953 | 405,209 | 1,099,853 | 7,698,971 |
| -1 | -7 | -19 | -107 | -133 | -541 | -749 | -2,033 | -3,787 | -10,279 | -14,231 | -57,887 | -71,953 | -405,209 | -1,099,853 | -7,698,971 |
Here are some more numbers to try:
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