A:
Positive:
1 x 119545155 x 239090319 x 62918537 x 32309595 x 125837179 x 66785185 x 64619361 x 33115703 x 17005895 x 133571805 x 66233401 x 3515
Negative:
-1 x -11954515-5 x -2390903-19 x -629185-37 x -323095-95 x -125837-179 x -66785-185 x -64619-361 x -33115-703 x -17005-895 x -13357-1805 x -6623-3401 x -3515
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 11,954,515, 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 | 11,954,515 | |
| -1 | -11,954,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,954,515.
Example:
1 x 11,954,515 = 11,954,515
and
-1 x -11,954,515 = 11,954,515
Notice both answers equal 11,954,515
With that explanation out of the way, let's continue. Next, we take the number 11,954,515 and divide it by 2:
11,954,515 ÷ 2 = 5,977,257.5
If the quotient is a whole number, then 2 and 5,977,257.5 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 | 11,954,515 | |
| -1 | -11,954,515 |
Now, we try dividing 11,954,515 by 3:
11,954,515 ÷ 3 = 3,984,838.3333
If the quotient is a whole number, then 3 and 3,984,838.3333 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 | 11,954,515 | |
| -1 | -11,954,515 |
Let's try dividing by 4:
11,954,515 ÷ 4 = 2,988,628.75
If the quotient is a whole number, then 4 and 2,988,628.75 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 | 11,954,515 | |
| -1 | 11,954,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 37 | 95 | 179 | 185 | 361 | 703 | 895 | 1,805 | 3,401 | 3,515 | 6,623 | 13,357 | 17,005 | 33,115 | 64,619 | 66,785 | 125,837 | 323,095 | 629,185 | 2,390,903 | 11,954,515 |
| -1 | -5 | -19 | -37 | -95 | -179 | -185 | -361 | -703 | -895 | -1,805 | -3,401 | -3,515 | -6,623 | -13,357 | -17,005 | -33,115 | -64,619 | -66,785 | -125,837 | -323,095 | -629,185 | -2,390,903 | -11,954,515 |
Here are some more numbers to try:
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