A:
Positive:
1 x 319481055 x 63896217 x 456401535 x 912803769 x 415451187 x 269153845 x 83095383 x 5935
Negative:
-1 x -31948105-5 x -6389621-7 x -4564015-35 x -912803-769 x -41545-1187 x -26915-3845 x -8309-5383 x -5935
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 31,948,105, 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 | 31,948,105 | |
| -1 | -31,948,105 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,948,105.
Example:
1 x 31,948,105 = 31,948,105
and
-1 x -31,948,105 = 31,948,105
Notice both answers equal 31,948,105
With that explanation out of the way, let's continue. Next, we take the number 31,948,105 and divide it by 2:
31,948,105 ÷ 2 = 15,974,052.5
If the quotient is a whole number, then 2 and 15,974,052.5 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 | 31,948,105 | |
| -1 | -31,948,105 |
Now, we try dividing 31,948,105 by 3:
31,948,105 ÷ 3 = 10,649,368.3333
If the quotient is a whole number, then 3 and 10,649,368.3333 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 | 31,948,105 | |
| -1 | -31,948,105 |
Let's try dividing by 4:
31,948,105 ÷ 4 = 7,987,026.25
If the quotient is a whole number, then 4 and 7,987,026.25 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 | 31,948,105 | |
| -1 | 31,948,105 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 769 | 1,187 | 3,845 | 5,383 | 5,935 | 8,309 | 26,915 | 41,545 | 912,803 | 4,564,015 | 6,389,621 | 31,948,105 |
| -1 | -5 | -7 | -35 | -769 | -1,187 | -3,845 | -5,383 | -5,935 | -8,309 | -26,915 | -41,545 | -912,803 | -4,564,015 | -6,389,621 | -31,948,105 |
Here are some more numbers to try:
Try the factor calculator