A:
Positive:
1 x 71745354719 x 3776071341 x 17498867503 x 1426349779 x 9209931831 x 3918379557 x 7507120623 x 34789
Negative:
-1 x -717453547-19 x -37760713-41 x -17498867-503 x -1426349-779 x -920993-1831 x -391837-9557 x -75071-20623 x -34789
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 717,453,547, 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 | 717,453,547 | |
| -1 | -717,453,547 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 717,453,547.
Example:
1 x 717,453,547 = 717,453,547
and
-1 x -717,453,547 = 717,453,547
Notice both answers equal 717,453,547
With that explanation out of the way, let's continue. Next, we take the number 717,453,547 and divide it by 2:
717,453,547 ÷ 2 = 358,726,773.5
If the quotient is a whole number, then 2 and 358,726,773.5 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 | 717,453,547 | |
| -1 | -717,453,547 |
Now, we try dividing 717,453,547 by 3:
717,453,547 ÷ 3 = 239,151,182.3333
If the quotient is a whole number, then 3 and 239,151,182.3333 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 | 717,453,547 | |
| -1 | -717,453,547 |
Let's try dividing by 4:
717,453,547 ÷ 4 = 179,363,386.75
If the quotient is a whole number, then 4 and 179,363,386.75 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 | 717,453,547 | |
| -1 | 717,453,547 |
If you did it right, you will end up with this table:
| 1 | 19 | 41 | 503 | 779 | 1,831 | 9,557 | 20,623 | 34,789 | 75,071 | 391,837 | 920,993 | 1,426,349 | 17,498,867 | 37,760,713 | 717,453,547 |
| -1 | -19 | -41 | -503 | -779 | -1,831 | -9,557 | -20,623 | -34,789 | -75,071 | -391,837 | -920,993 | -1,426,349 | -17,498,867 | -37,760,713 | -717,453,547 |
Here are some more numbers to try:
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