A:
Positive:
1 x 71566742329 x 2467818741 x 1745530389 x 80412071189 x 6019072581 x 2772833649 x 1961276763 x 105821
Negative:
-1 x -715667423-29 x -24678187-41 x -17455303-89 x -8041207-1189 x -601907-2581 x -277283-3649 x -196127-6763 x -105821
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 715,667,423, 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 | 715,667,423 | |
| -1 | -715,667,423 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 715,667,423.
Example:
1 x 715,667,423 = 715,667,423
and
-1 x -715,667,423 = 715,667,423
Notice both answers equal 715,667,423
With that explanation out of the way, let's continue. Next, we take the number 715,667,423 and divide it by 2:
715,667,423 ÷ 2 = 357,833,711.5
If the quotient is a whole number, then 2 and 357,833,711.5 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 | 715,667,423 | |
| -1 | -715,667,423 |
Now, we try dividing 715,667,423 by 3:
715,667,423 ÷ 3 = 238,555,807.6667
If the quotient is a whole number, then 3 and 238,555,807.6667 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 | 715,667,423 | |
| -1 | -715,667,423 |
Let's try dividing by 4:
715,667,423 ÷ 4 = 178,916,855.75
If the quotient is a whole number, then 4 and 178,916,855.75 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 | 715,667,423 | |
| -1 | 715,667,423 |
If you did it right, you will end up with this table:
| 1 | 29 | 41 | 89 | 1,189 | 2,581 | 3,649 | 6,763 | 105,821 | 196,127 | 277,283 | 601,907 | 8,041,207 | 17,455,303 | 24,678,187 | 715,667,423 |
| -1 | -29 | -41 | -89 | -1,189 | -2,581 | -3,649 | -6,763 | -105,821 | -196,127 | -277,283 | -601,907 | -8,041,207 | -17,455,303 | -24,678,187 | -715,667,423 |
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