A:
Positive:
1 x 260354055 x 520708111 x 236685555 x 473371379 x 686951249 x 208451895 x 137394169 x 6245
Negative:
-1 x -26035405-5 x -5207081-11 x -2366855-55 x -473371-379 x -68695-1249 x -20845-1895 x -13739-4169 x -6245
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 26,035,405, 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 | 26,035,405 | |
| -1 | -26,035,405 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,035,405.
Example:
1 x 26,035,405 = 26,035,405
and
-1 x -26,035,405 = 26,035,405
Notice both answers equal 26,035,405
With that explanation out of the way, let's continue. Next, we take the number 26,035,405 and divide it by 2:
26,035,405 ÷ 2 = 13,017,702.5
If the quotient is a whole number, then 2 and 13,017,702.5 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 | 26,035,405 | |
| -1 | -26,035,405 |
Now, we try dividing 26,035,405 by 3:
26,035,405 ÷ 3 = 8,678,468.3333
If the quotient is a whole number, then 3 and 8,678,468.3333 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 | 26,035,405 | |
| -1 | -26,035,405 |
Let's try dividing by 4:
26,035,405 ÷ 4 = 6,508,851.25
If the quotient is a whole number, then 4 and 6,508,851.25 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 | 26,035,405 | |
| -1 | 26,035,405 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 379 | 1,249 | 1,895 | 4,169 | 6,245 | 13,739 | 20,845 | 68,695 | 473,371 | 2,366,855 | 5,207,081 | 26,035,405 |
| -1 | -5 | -11 | -55 | -379 | -1,249 | -1,895 | -4,169 | -6,245 | -13,739 | -20,845 | -68,695 | -473,371 | -2,366,855 | -5,207,081 | -26,035,405 |
Here are some more numbers to try:
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