A:
Positive:
1 x 260433555 x 520867113 x 200333565 x 400667101 x 257855505 x 515711313 x 198353967 x 6565
Negative:
-1 x -26043355-5 x -5208671-13 x -2003335-65 x -400667-101 x -257855-505 x -51571-1313 x -19835-3967 x -6565
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 26,043,355, 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 | 26,043,355 | |
| -1 | -26,043,355 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,043,355.
Example:
1 x 26,043,355 = 26,043,355
and
-1 x -26,043,355 = 26,043,355
Notice both answers equal 26,043,355
With that explanation out of the way, let's continue. Next, we take the number 26,043,355 and divide it by 2:
26,043,355 ÷ 2 = 13,021,677.5
If the quotient is a whole number, then 2 and 13,021,677.5 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 | 26,043,355 | |
| -1 | -26,043,355 |
Now, we try dividing 26,043,355 by 3:
26,043,355 ÷ 3 = 8,681,118.3333
If the quotient is a whole number, then 3 and 8,681,118.3333 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 | 26,043,355 | |
| -1 | -26,043,355 |
Let's try dividing by 4:
26,043,355 ÷ 4 = 6,510,838.75
If the quotient is a whole number, then 4 and 6,510,838.75 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 | 26,043,355 | |
| -1 | 26,043,355 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 101 | 505 | 1,313 | 3,967 | 6,565 | 19,835 | 51,571 | 257,855 | 400,667 | 2,003,335 | 5,208,671 | 26,043,355 |
| -1 | -5 | -13 | -65 | -101 | -505 | -1,313 | -3,967 | -6,565 | -19,835 | -51,571 | -257,855 | -400,667 | -2,003,335 | -5,208,671 | -26,043,355 |
Here are some more numbers to try:
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