A:
Positive:
1 x 312027355 x 624054717 x 183545543 x 72564585 x 367091215 x 145129731 x 426853655 x 8537
Negative:
-1 x -31202735-5 x -6240547-17 x -1835455-43 x -725645-85 x -367091-215 x -145129-731 x -42685-3655 x -8537
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 31,202,735, 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 | 31,202,735 | |
| -1 | -31,202,735 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,202,735.
Example:
1 x 31,202,735 = 31,202,735
and
-1 x -31,202,735 = 31,202,735
Notice both answers equal 31,202,735
With that explanation out of the way, let's continue. Next, we take the number 31,202,735 and divide it by 2:
31,202,735 ÷ 2 = 15,601,367.5
If the quotient is a whole number, then 2 and 15,601,367.5 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 | 31,202,735 | |
| -1 | -31,202,735 |
Now, we try dividing 31,202,735 by 3:
31,202,735 ÷ 3 = 10,400,911.6667
If the quotient is a whole number, then 3 and 10,400,911.6667 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 | 31,202,735 | |
| -1 | -31,202,735 |
Let's try dividing by 4:
31,202,735 ÷ 4 = 7,800,683.75
If the quotient is a whole number, then 4 and 7,800,683.75 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 | 31,202,735 | |
| -1 | 31,202,735 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 43 | 85 | 215 | 731 | 3,655 | 8,537 | 42,685 | 145,129 | 367,091 | 725,645 | 1,835,455 | 6,240,547 | 31,202,735 |
| -1 | -5 | -17 | -43 | -85 | -215 | -731 | -3,655 | -8,537 | -42,685 | -145,129 | -367,091 | -725,645 | -1,835,455 | -6,240,547 | -31,202,735 |
Here are some more numbers to try:
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