A:
Positive:
1 x 313020355 x 626040773 x 428795191 x 163885365 x 85759449 x 69715955 x 327772245 x 13943
Negative:
-1 x -31302035-5 x -6260407-73 x -428795-191 x -163885-365 x -85759-449 x -69715-955 x -32777-2245 x -13943
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 31,302,035, 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 | 31,302,035 | |
| -1 | -31,302,035 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,302,035.
Example:
1 x 31,302,035 = 31,302,035
and
-1 x -31,302,035 = 31,302,035
Notice both answers equal 31,302,035
With that explanation out of the way, let's continue. Next, we take the number 31,302,035 and divide it by 2:
31,302,035 ÷ 2 = 15,651,017.5
If the quotient is a whole number, then 2 and 15,651,017.5 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 | 31,302,035 | |
| -1 | -31,302,035 |
Now, we try dividing 31,302,035 by 3:
31,302,035 ÷ 3 = 10,434,011.6667
If the quotient is a whole number, then 3 and 10,434,011.6667 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 | 31,302,035 | |
| -1 | -31,302,035 |
Let's try dividing by 4:
31,302,035 ÷ 4 = 7,825,508.75
If the quotient is a whole number, then 4 and 7,825,508.75 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 | 31,302,035 | |
| -1 | 31,302,035 |
If you did it right, you will end up with this table:
| 1 | 5 | 73 | 191 | 365 | 449 | 955 | 2,245 | 13,943 | 32,777 | 69,715 | 85,759 | 163,885 | 428,795 | 6,260,407 | 31,302,035 |
| -1 | -5 | -73 | -191 | -365 | -449 | -955 | -2,245 | -13,943 | -32,777 | -69,715 | -85,759 | -163,885 | -428,795 | -6,260,407 | -31,302,035 |
Here are some more numbers to try:
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