A:
Positive:
1 x 316562755 x 63312557 x 452232525 x 126625135 x 90446537 x 855575175 x 180893185 x 171115259 x 122225925 x 342231295 x 244454889 x 6475
Negative:
-1 x -31656275-5 x -6331255-7 x -4522325-25 x -1266251-35 x -904465-37 x -855575-175 x -180893-185 x -171115-259 x -122225-925 x -34223-1295 x -24445-4889 x -6475
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 31,656,275, 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 | 31,656,275 | |
| -1 | -31,656,275 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,656,275.
Example:
1 x 31,656,275 = 31,656,275
and
-1 x -31,656,275 = 31,656,275
Notice both answers equal 31,656,275
With that explanation out of the way, let's continue. Next, we take the number 31,656,275 and divide it by 2:
31,656,275 ÷ 2 = 15,828,137.5
If the quotient is a whole number, then 2 and 15,828,137.5 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 | 31,656,275 | |
| -1 | -31,656,275 |
Now, we try dividing 31,656,275 by 3:
31,656,275 ÷ 3 = 10,552,091.6667
If the quotient is a whole number, then 3 and 10,552,091.6667 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 | 31,656,275 | |
| -1 | -31,656,275 |
Let's try dividing by 4:
31,656,275 ÷ 4 = 7,914,068.75
If the quotient is a whole number, then 4 and 7,914,068.75 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 | 31,656,275 | |
| -1 | 31,656,275 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 37 | 175 | 185 | 259 | 925 | 1,295 | 4,889 | 6,475 | 24,445 | 34,223 | 122,225 | 171,115 | 180,893 | 855,575 | 904,465 | 1,266,251 | 4,522,325 | 6,331,255 | 31,656,275 |
| -1 | -5 | -7 | -25 | -35 | -37 | -175 | -185 | -259 | -925 | -1,295 | -4,889 | -6,475 | -24,445 | -34,223 | -122,225 | -171,115 | -180,893 | -855,575 | -904,465 | -1,266,251 | -4,522,325 | -6,331,255 | -31,656,275 |
Here are some more numbers to try:
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