A:
Positive:
1 x 115262217 x 164660317 x 67801349 x 235229101 x 114121119 x 96859137 x 84133707 x 16303833 x 13837959 x 120191717 x 67132329 x 4949
Negative:
-1 x -11526221-7 x -1646603-17 x -678013-49 x -235229-101 x -114121-119 x -96859-137 x -84133-707 x -16303-833 x -13837-959 x -12019-1717 x -6713-2329 x -4949
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 11,526,221, 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 | 11,526,221 | |
| -1 | -11,526,221 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,526,221.
Example:
1 x 11,526,221 = 11,526,221
and
-1 x -11,526,221 = 11,526,221
Notice both answers equal 11,526,221
With that explanation out of the way, let's continue. Next, we take the number 11,526,221 and divide it by 2:
11,526,221 ÷ 2 = 5,763,110.5
If the quotient is a whole number, then 2 and 5,763,110.5 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 | 11,526,221 | |
| -1 | -11,526,221 |
Now, we try dividing 11,526,221 by 3:
11,526,221 ÷ 3 = 3,842,073.6667
If the quotient is a whole number, then 3 and 3,842,073.6667 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 | 11,526,221 | |
| -1 | -11,526,221 |
Let's try dividing by 4:
11,526,221 ÷ 4 = 2,881,555.25
If the quotient is a whole number, then 4 and 2,881,555.25 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 | 11,526,221 | |
| -1 | 11,526,221 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 49 | 101 | 119 | 137 | 707 | 833 | 959 | 1,717 | 2,329 | 4,949 | 6,713 | 12,019 | 13,837 | 16,303 | 84,133 | 96,859 | 114,121 | 235,229 | 678,013 | 1,646,603 | 11,526,221 |
| -1 | -7 | -17 | -49 | -101 | -119 | -137 | -707 | -833 | -959 | -1,717 | -2,329 | -4,949 | -6,713 | -12,019 | -13,837 | -16,303 | -84,133 | -96,859 | -114,121 | -235,229 | -678,013 | -1,646,603 | -11,526,221 |
Here are some more numbers to try:
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