A:
Positive:
1 x 126311355 x 252622711 x 114828555 x 229657179 x 70565895 x 141131283 x 98451969 x 6415
Negative:
-1 x -12631135-5 x -2526227-11 x -1148285-55 x -229657-179 x -70565-895 x -14113-1283 x -9845-1969 x -6415
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 12,631,135, 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 | 12,631,135 | |
| -1 | -12,631,135 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,631,135.
Example:
1 x 12,631,135 = 12,631,135
and
-1 x -12,631,135 = 12,631,135
Notice both answers equal 12,631,135
With that explanation out of the way, let's continue. Next, we take the number 12,631,135 and divide it by 2:
12,631,135 ÷ 2 = 6,315,567.5
If the quotient is a whole number, then 2 and 6,315,567.5 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 | 12,631,135 | |
| -1 | -12,631,135 |
Now, we try dividing 12,631,135 by 3:
12,631,135 ÷ 3 = 4,210,378.3333
If the quotient is a whole number, then 3 and 4,210,378.3333 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 | 12,631,135 | |
| -1 | -12,631,135 |
Let's try dividing by 4:
12,631,135 ÷ 4 = 3,157,783.75
If the quotient is a whole number, then 4 and 3,157,783.75 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 | 12,631,135 | |
| -1 | 12,631,135 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 179 | 895 | 1,283 | 1,969 | 6,415 | 9,845 | 14,113 | 70,565 | 229,657 | 1,148,285 | 2,526,227 | 12,631,135 |
| -1 | -5 | -11 | -55 | -179 | -895 | -1,283 | -1,969 | -6,415 | -9,845 | -14,113 | -70,565 | -229,657 | -1,148,285 | -2,526,227 | -12,631,135 |
Here are some more numbers to try:
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