A:
Positive:
1 x 26062455 x 52124923 x 113315115 x 22663131 x 19895173 x 15065655 x 3979865 x 3013
Negative:
-1 x -2606245-5 x -521249-23 x -113315-115 x -22663-131 x -19895-173 x -15065-655 x -3979-865 x -3013
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 2,606,245, 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 | 2,606,245 | |
| -1 | -2,606,245 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,606,245.
Example:
1 x 2,606,245 = 2,606,245
and
-1 x -2,606,245 = 2,606,245
Notice both answers equal 2,606,245
With that explanation out of the way, let's continue. Next, we take the number 2,606,245 and divide it by 2:
2,606,245 ÷ 2 = 1,303,122.5
If the quotient is a whole number, then 2 and 1,303,122.5 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 | 2,606,245 | |
| -1 | -2,606,245 |
Now, we try dividing 2,606,245 by 3:
2,606,245 ÷ 3 = 868,748.3333
If the quotient is a whole number, then 3 and 868,748.3333 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 | 2,606,245 | |
| -1 | -2,606,245 |
Let's try dividing by 4:
2,606,245 ÷ 4 = 651,561.25
If the quotient is a whole number, then 4 and 651,561.25 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 | 2,606,245 | |
| -1 | 2,606,245 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 115 | 131 | 173 | 655 | 865 | 3,013 | 3,979 | 15,065 | 19,895 | 22,663 | 113,315 | 521,249 | 2,606,245 |
| -1 | -5 | -23 | -115 | -131 | -173 | -655 | -865 | -3,013 | -3,979 | -15,065 | -19,895 | -22,663 | -113,315 | -521,249 | -2,606,245 |
Here are some more numbers to try:
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