A:
Positive:
1 x 115745155 x 231490319 x 60918573 x 15855595 x 121837365 x 317111387 x 83451669 x 6935
Negative:
-1 x -11574515-5 x -2314903-19 x -609185-73 x -158555-95 x -121837-365 x -31711-1387 x -8345-1669 x -6935
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 11,574,515, 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 | 11,574,515 | |
| -1 | -11,574,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,574,515.
Example:
1 x 11,574,515 = 11,574,515
and
-1 x -11,574,515 = 11,574,515
Notice both answers equal 11,574,515
With that explanation out of the way, let's continue. Next, we take the number 11,574,515 and divide it by 2:
11,574,515 ÷ 2 = 5,787,257.5
If the quotient is a whole number, then 2 and 5,787,257.5 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 | 11,574,515 | |
| -1 | -11,574,515 |
Now, we try dividing 11,574,515 by 3:
11,574,515 ÷ 3 = 3,858,171.6667
If the quotient is a whole number, then 3 and 3,858,171.6667 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 | 11,574,515 | |
| -1 | -11,574,515 |
Let's try dividing by 4:
11,574,515 ÷ 4 = 2,893,628.75
If the quotient is a whole number, then 4 and 2,893,628.75 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 | 11,574,515 | |
| -1 | 11,574,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 73 | 95 | 365 | 1,387 | 1,669 | 6,935 | 8,345 | 31,711 | 121,837 | 158,555 | 609,185 | 2,314,903 | 11,574,515 |
| -1 | -5 | -19 | -73 | -95 | -365 | -1,387 | -1,669 | -6,935 | -8,345 | -31,711 | -121,837 | -158,555 | -609,185 | -2,314,903 | -11,574,515 |
Here are some more numbers to try:
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