A:
Positive:
1 x 118645317 x 169493319 x 62444937 x 320663133 x 89207259 x 45809703 x 168772411 x 4921
Negative:
-1 x -11864531-7 x -1694933-19 x -624449-37 x -320663-133 x -89207-259 x -45809-703 x -16877-2411 x -4921
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 11,864,531, 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 | 11,864,531 | |
| -1 | -11,864,531 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,864,531.
Example:
1 x 11,864,531 = 11,864,531
and
-1 x -11,864,531 = 11,864,531
Notice both answers equal 11,864,531
With that explanation out of the way, let's continue. Next, we take the number 11,864,531 and divide it by 2:
11,864,531 ÷ 2 = 5,932,265.5
If the quotient is a whole number, then 2 and 5,932,265.5 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 | 11,864,531 | |
| -1 | -11,864,531 |
Now, we try dividing 11,864,531 by 3:
11,864,531 ÷ 3 = 3,954,843.6667
If the quotient is a whole number, then 3 and 3,954,843.6667 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 | 11,864,531 | |
| -1 | -11,864,531 |
Let's try dividing by 4:
11,864,531 ÷ 4 = 2,966,132.75
If the quotient is a whole number, then 4 and 2,966,132.75 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 | 11,864,531 | |
| -1 | 11,864,531 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 37 | 133 | 259 | 703 | 2,411 | 4,921 | 16,877 | 45,809 | 89,207 | 320,663 | 624,449 | 1,694,933 | 11,864,531 |
| -1 | -7 | -19 | -37 | -133 | -259 | -703 | -2,411 | -4,921 | -16,877 | -45,809 | -89,207 | -320,663 | -624,449 | -1,694,933 | -11,864,531 |
Here are some more numbers to try:
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