A:
Positive:
1 x 7647110911 x 695191913 x 588239341 x 1865149143 x 534763451 x 169559533 x 1434735863 x 13043
Negative:
-1 x -76471109-11 x -6951919-13 x -5882393-41 x -1865149-143 x -534763-451 x -169559-533 x -143473-5863 x -13043
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 76,471,109, 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 | 76,471,109 | |
| -1 | -76,471,109 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 76,471,109.
Example:
1 x 76,471,109 = 76,471,109
and
-1 x -76,471,109 = 76,471,109
Notice both answers equal 76,471,109
With that explanation out of the way, let's continue. Next, we take the number 76,471,109 and divide it by 2:
76,471,109 ÷ 2 = 38,235,554.5
If the quotient is a whole number, then 2 and 38,235,554.5 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 | 76,471,109 | |
| -1 | -76,471,109 |
Now, we try dividing 76,471,109 by 3:
76,471,109 ÷ 3 = 25,490,369.6667
If the quotient is a whole number, then 3 and 25,490,369.6667 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 | 76,471,109 | |
| -1 | -76,471,109 |
Let's try dividing by 4:
76,471,109 ÷ 4 = 19,117,777.25
If the quotient is a whole number, then 4 and 19,117,777.25 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 | 76,471,109 | |
| -1 | 76,471,109 |
If you did it right, you will end up with this table:
| 1 | 11 | 13 | 41 | 143 | 451 | 533 | 5,863 | 13,043 | 143,473 | 169,559 | 534,763 | 1,865,149 | 5,882,393 | 6,951,919 | 76,471,109 |
| -1 | -11 | -13 | -41 | -143 | -451 | -533 | -5,863 | -13,043 | -143,473 | -169,559 | -534,763 | -1,865,149 | -5,882,393 | -6,951,919 | -76,471,109 |
Here are some more numbers to try:
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