A:
Positive:
1 x 111504255 x 223008511 x 101367513 x 85772525 x 44601755 x 20273565 x 171545143 x 77975275 x 40547325 x 34309715 x 155953119 x 3575
Negative:
-1 x -11150425-5 x -2230085-11 x -1013675-13 x -857725-25 x -446017-55 x -202735-65 x -171545-143 x -77975-275 x -40547-325 x -34309-715 x -15595-3119 x -3575
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 11,150,425, 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 | 11,150,425 | |
| -1 | -11,150,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,150,425.
Example:
1 x 11,150,425 = 11,150,425
and
-1 x -11,150,425 = 11,150,425
Notice both answers equal 11,150,425
With that explanation out of the way, let's continue. Next, we take the number 11,150,425 and divide it by 2:
11,150,425 ÷ 2 = 5,575,212.5
If the quotient is a whole number, then 2 and 5,575,212.5 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 | 11,150,425 | |
| -1 | -11,150,425 |
Now, we try dividing 11,150,425 by 3:
11,150,425 ÷ 3 = 3,716,808.3333
If the quotient is a whole number, then 3 and 3,716,808.3333 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 | 11,150,425 | |
| -1 | -11,150,425 |
Let's try dividing by 4:
11,150,425 ÷ 4 = 2,787,606.25
If the quotient is a whole number, then 4 and 2,787,606.25 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 | 11,150,425 | |
| -1 | 11,150,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 25 | 55 | 65 | 143 | 275 | 325 | 715 | 3,119 | 3,575 | 15,595 | 34,309 | 40,547 | 77,975 | 171,545 | 202,735 | 446,017 | 857,725 | 1,013,675 | 2,230,085 | 11,150,425 |
| -1 | -5 | -11 | -13 | -25 | -55 | -65 | -143 | -275 | -325 | -715 | -3,119 | -3,575 | -15,595 | -34,309 | -40,547 | -77,975 | -171,545 | -202,735 | -446,017 | -857,725 | -1,013,675 | -2,230,085 | -11,150,425 |
Here are some more numbers to try:
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