A:
Positive:
1 x 111002717 x 158575313 x 85386791 x 121981223 x 49777547 x 202931561 x 71112899 x 3829
Negative:
-1 x -11100271-7 x -1585753-13 x -853867-91 x -121981-223 x -49777-547 x -20293-1561 x -7111-2899 x -3829
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 11,100,271, 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 | 11,100,271 | |
| -1 | -11,100,271 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,100,271.
Example:
1 x 11,100,271 = 11,100,271
and
-1 x -11,100,271 = 11,100,271
Notice both answers equal 11,100,271
With that explanation out of the way, let's continue. Next, we take the number 11,100,271 and divide it by 2:
11,100,271 ÷ 2 = 5,550,135.5
If the quotient is a whole number, then 2 and 5,550,135.5 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 | 11,100,271 | |
| -1 | -11,100,271 |
Now, we try dividing 11,100,271 by 3:
11,100,271 ÷ 3 = 3,700,090.3333
If the quotient is a whole number, then 3 and 3,700,090.3333 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 | 11,100,271 | |
| -1 | -11,100,271 |
Let's try dividing by 4:
11,100,271 ÷ 4 = 2,775,067.75
If the quotient is a whole number, then 4 and 2,775,067.75 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 | 11,100,271 | |
| -1 | 11,100,271 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 91 | 223 | 547 | 1,561 | 2,899 | 3,829 | 7,111 | 20,293 | 49,777 | 121,981 | 853,867 | 1,585,753 | 11,100,271 |
| -1 | -7 | -13 | -91 | -223 | -547 | -1,561 | -2,899 | -3,829 | -7,111 | -20,293 | -49,777 | -121,981 | -853,867 | -1,585,753 | -11,100,271 |
Here are some more numbers to try:
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