A:
Positive:
1 x 71747144313 x 5519011167 x 1070852979 x 9081917871 x 8237331027 x 6986095293 x 13555110427 x 68809
Negative:
-1 x -717471443-13 x -55190111-67 x -10708529-79 x -9081917-871 x -823733-1027 x -698609-5293 x -135551-10427 x -68809
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 717,471,443, 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 | 717,471,443 | |
| -1 | -717,471,443 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 717,471,443.
Example:
1 x 717,471,443 = 717,471,443
and
-1 x -717,471,443 = 717,471,443
Notice both answers equal 717,471,443
With that explanation out of the way, let's continue. Next, we take the number 717,471,443 and divide it by 2:
717,471,443 ÷ 2 = 358,735,721.5
If the quotient is a whole number, then 2 and 358,735,721.5 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 | 717,471,443 | |
| -1 | -717,471,443 |
Now, we try dividing 717,471,443 by 3:
717,471,443 ÷ 3 = 239,157,147.6667
If the quotient is a whole number, then 3 and 239,157,147.6667 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 | 717,471,443 | |
| -1 | -717,471,443 |
Let's try dividing by 4:
717,471,443 ÷ 4 = 179,367,860.75
If the quotient is a whole number, then 4 and 179,367,860.75 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 | 717,471,443 | |
| -1 | 717,471,443 |
If you did it right, you will end up with this table:
| 1 | 13 | 67 | 79 | 871 | 1,027 | 5,293 | 10,427 | 68,809 | 135,551 | 698,609 | 823,733 | 9,081,917 | 10,708,529 | 55,190,111 | 717,471,443 |
| -1 | -13 | -67 | -79 | -871 | -1,027 | -5,293 | -10,427 | -68,809 | -135,551 | -698,609 | -823,733 | -9,081,917 | -10,708,529 | -55,190,111 | -717,471,443 |
Here are some more numbers to try:
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