A:
Positive:
1 x 191101313 x 14700129 x 6589737 x 51649137 x 13949377 x 5069481 x 39731073 x 1781
Negative:
-1 x -1911013-13 x -147001-29 x -65897-37 x -51649-137 x -13949-377 x -5069-481 x -3973-1073 x -1781
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 1,911,013, 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 | 1,911,013 | |
| -1 | -1,911,013 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,911,013.
Example:
1 x 1,911,013 = 1,911,013
and
-1 x -1,911,013 = 1,911,013
Notice both answers equal 1,911,013
With that explanation out of the way, let's continue. Next, we take the number 1,911,013 and divide it by 2:
1,911,013 ÷ 2 = 955,506.5
If the quotient is a whole number, then 2 and 955,506.5 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 | 1,911,013 | |
| -1 | -1,911,013 |
Now, we try dividing 1,911,013 by 3:
1,911,013 ÷ 3 = 637,004.3333
If the quotient is a whole number, then 3 and 637,004.3333 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 | 1,911,013 | |
| -1 | -1,911,013 |
Let's try dividing by 4:
1,911,013 ÷ 4 = 477,753.25
If the quotient is a whole number, then 4 and 477,753.25 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 | 1,911,013 | |
| -1 | 1,911,013 |
If you did it right, you will end up with this table:
| 1 | 13 | 29 | 37 | 137 | 377 | 481 | 1,073 | 1,781 | 3,973 | 5,069 | 13,949 | 51,649 | 65,897 | 147,001 | 1,911,013 |
| -1 | -13 | -29 | -37 | -137 | -377 | -481 | -1,073 | -1,781 | -3,973 | -5,069 | -13,949 | -51,649 | -65,897 | -147,001 | -1,911,013 |
Here are some more numbers to try:
Try the factor calculator