A:
Positive:
1 x 115105255 x 230210513 x 88542525 x 46042165 x 177085107 x 107575325 x 35417331 x 34775535 x 215151391 x 82751655 x 69552675 x 4303
Negative:
-1 x -11510525-5 x -2302105-13 x -885425-25 x -460421-65 x -177085-107 x -107575-325 x -35417-331 x -34775-535 x -21515-1391 x -8275-1655 x -6955-2675 x -4303
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 11,510,525, 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 | 11,510,525 | |
| -1 | -11,510,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,510,525.
Example:
1 x 11,510,525 = 11,510,525
and
-1 x -11,510,525 = 11,510,525
Notice both answers equal 11,510,525
With that explanation out of the way, let's continue. Next, we take the number 11,510,525 and divide it by 2:
11,510,525 ÷ 2 = 5,755,262.5
If the quotient is a whole number, then 2 and 5,755,262.5 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 | 11,510,525 | |
| -1 | -11,510,525 |
Now, we try dividing 11,510,525 by 3:
11,510,525 ÷ 3 = 3,836,841.6667
If the quotient is a whole number, then 3 and 3,836,841.6667 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 | 11,510,525 | |
| -1 | -11,510,525 |
Let's try dividing by 4:
11,510,525 ÷ 4 = 2,877,631.25
If the quotient is a whole number, then 4 and 2,877,631.25 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 | 11,510,525 | |
| -1 | 11,510,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 107 | 325 | 331 | 535 | 1,391 | 1,655 | 2,675 | 4,303 | 6,955 | 8,275 | 21,515 | 34,775 | 35,417 | 107,575 | 177,085 | 460,421 | 885,425 | 2,302,105 | 11,510,525 |
| -1 | -5 | -13 | -25 | -65 | -107 | -325 | -331 | -535 | -1,391 | -1,655 | -2,675 | -4,303 | -6,955 | -8,275 | -21,515 | -34,775 | -35,417 | -107,575 | -177,085 | -460,421 | -885,425 | -2,302,105 | -11,510,525 |
Here are some more numbers to try:
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