A:
Positive:
1 x 111967317 x 159953313 x 86128741 x 27309191 x 123041287 x 39013533 x 210073001 x 3731
Negative:
-1 x -11196731-7 x -1599533-13 x -861287-41 x -273091-91 x -123041-287 x -39013-533 x -21007-3001 x -3731
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 11,196,731, 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 | 11,196,731 | |
| -1 | -11,196,731 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,196,731.
Example:
1 x 11,196,731 = 11,196,731
and
-1 x -11,196,731 = 11,196,731
Notice both answers equal 11,196,731
With that explanation out of the way, let's continue. Next, we take the number 11,196,731 and divide it by 2:
11,196,731 ÷ 2 = 5,598,365.5
If the quotient is a whole number, then 2 and 5,598,365.5 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 | 11,196,731 | |
| -1 | -11,196,731 |
Now, we try dividing 11,196,731 by 3:
11,196,731 ÷ 3 = 3,732,243.6667
If the quotient is a whole number, then 3 and 3,732,243.6667 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 | 11,196,731 | |
| -1 | -11,196,731 |
Let's try dividing by 4:
11,196,731 ÷ 4 = 2,799,182.75
If the quotient is a whole number, then 4 and 2,799,182.75 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 | 11,196,731 | |
| -1 | 11,196,731 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 41 | 91 | 287 | 533 | 3,001 | 3,731 | 21,007 | 39,013 | 123,041 | 273,091 | 861,287 | 1,599,533 | 11,196,731 |
| -1 | -7 | -13 | -41 | -91 | -287 | -533 | -3,001 | -3,731 | -21,007 | -39,013 | -123,041 | -273,091 | -861,287 | -1,599,533 | -11,196,731 |
Here are some more numbers to try:
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