A:
Positive:
1 x 3144529713 x 241886983 x 378859151 x 208247193 x 1629291079 x 291431963 x 160192509 x 12533
Negative:
-1 x -31445297-13 x -2418869-83 x -378859-151 x -208247-193 x -162929-1079 x -29143-1963 x -16019-2509 x -12533
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 31,445,297, 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 | 31,445,297 | |
| -1 | -31,445,297 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,445,297.
Example:
1 x 31,445,297 = 31,445,297
and
-1 x -31,445,297 = 31,445,297
Notice both answers equal 31,445,297
With that explanation out of the way, let's continue. Next, we take the number 31,445,297 and divide it by 2:
31,445,297 ÷ 2 = 15,722,648.5
If the quotient is a whole number, then 2 and 15,722,648.5 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 | 31,445,297 | |
| -1 | -31,445,297 |
Now, we try dividing 31,445,297 by 3:
31,445,297 ÷ 3 = 10,481,765.6667
If the quotient is a whole number, then 3 and 10,481,765.6667 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 | 31,445,297 | |
| -1 | -31,445,297 |
Let's try dividing by 4:
31,445,297 ÷ 4 = 7,861,324.25
If the quotient is a whole number, then 4 and 7,861,324.25 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 | 31,445,297 | |
| -1 | 31,445,297 |
If you did it right, you will end up with this table:
| 1 | 13 | 83 | 151 | 193 | 1,079 | 1,963 | 2,509 | 12,533 | 16,019 | 29,143 | 162,929 | 208,247 | 378,859 | 2,418,869 | 31,445,297 |
| -1 | -13 | -83 | -151 | -193 | -1,079 | -1,963 | -2,509 | -12,533 | -16,019 | -29,143 | -162,929 | -208,247 | -378,859 | -2,418,869 | -31,445,297 |
Here are some more numbers to try:
Try the factor calculator