A:
Positive:
1 x 2558353929 x 88219137 x 691447113 x 226403211 x 1212491073 x 238433277 x 78074181 x 6119
Negative:
-1 x -25583539-29 x -882191-37 x -691447-113 x -226403-211 x -121249-1073 x -23843-3277 x -7807-4181 x -6119
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 25,583,539, 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 | 25,583,539 | |
| -1 | -25,583,539 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,583,539.
Example:
1 x 25,583,539 = 25,583,539
and
-1 x -25,583,539 = 25,583,539
Notice both answers equal 25,583,539
With that explanation out of the way, let's continue. Next, we take the number 25,583,539 and divide it by 2:
25,583,539 ÷ 2 = 12,791,769.5
If the quotient is a whole number, then 2 and 12,791,769.5 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 | 25,583,539 | |
| -1 | -25,583,539 |
Now, we try dividing 25,583,539 by 3:
25,583,539 ÷ 3 = 8,527,846.3333
If the quotient is a whole number, then 3 and 8,527,846.3333 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 | 25,583,539 | |
| -1 | -25,583,539 |
Let's try dividing by 4:
25,583,539 ÷ 4 = 6,395,884.75
If the quotient is a whole number, then 4 and 6,395,884.75 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 | 25,583,539 | |
| -1 | 25,583,539 |
If you did it right, you will end up with this table:
| 1 | 29 | 37 | 113 | 211 | 1,073 | 3,277 | 4,181 | 6,119 | 7,807 | 23,843 | 121,249 | 226,403 | 691,447 | 882,191 | 25,583,539 |
| -1 | -29 | -37 | -113 | -211 | -1,073 | -3,277 | -4,181 | -6,119 | -7,807 | -23,843 | -121,249 | -226,403 | -691,447 | -882,191 | -25,583,539 |
Here are some more numbers to try:
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