A:
Positive:
1 x 269387517 x 384839319 x 141782959 x 456589133 x 202547413 x 652271121 x 240313433 x 7847
Negative:
-1 x -26938751-7 x -3848393-19 x -1417829-59 x -456589-133 x -202547-413 x -65227-1121 x -24031-3433 x -7847
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 26,938,751, 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 | 26,938,751 | |
| -1 | -26,938,751 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,938,751.
Example:
1 x 26,938,751 = 26,938,751
and
-1 x -26,938,751 = 26,938,751
Notice both answers equal 26,938,751
With that explanation out of the way, let's continue. Next, we take the number 26,938,751 and divide it by 2:
26,938,751 ÷ 2 = 13,469,375.5
If the quotient is a whole number, then 2 and 13,469,375.5 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 | 26,938,751 | |
| -1 | -26,938,751 |
Now, we try dividing 26,938,751 by 3:
26,938,751 ÷ 3 = 8,979,583.6667
If the quotient is a whole number, then 3 and 8,979,583.6667 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 | 26,938,751 | |
| -1 | -26,938,751 |
Let's try dividing by 4:
26,938,751 ÷ 4 = 6,734,687.75
If the quotient is a whole number, then 4 and 6,734,687.75 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 | 26,938,751 | |
| -1 | 26,938,751 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 59 | 133 | 413 | 1,121 | 3,433 | 7,847 | 24,031 | 65,227 | 202,547 | 456,589 | 1,417,829 | 3,848,393 | 26,938,751 |
| -1 | -7 | -19 | -59 | -133 | -413 | -1,121 | -3,433 | -7,847 | -24,031 | -65,227 | -202,547 | -456,589 | -1,417,829 | -3,848,393 | -26,938,751 |
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