A:
Positive:
1 x 25595155 x 5119037 x 36564531 x 8256535 x 7312949 x 52235155 x 16513217 x 11795245 x 10447337 x 75951085 x 23591519 x 1685
Negative:
-1 x -2559515-5 x -511903-7 x -365645-31 x -82565-35 x -73129-49 x -52235-155 x -16513-217 x -11795-245 x -10447-337 x -7595-1085 x -2359-1519 x -1685
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 2,559,515, 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 | 2,559,515 | |
| -1 | -2,559,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,559,515.
Example:
1 x 2,559,515 = 2,559,515
and
-1 x -2,559,515 = 2,559,515
Notice both answers equal 2,559,515
With that explanation out of the way, let's continue. Next, we take the number 2,559,515 and divide it by 2:
2,559,515 ÷ 2 = 1,279,757.5
If the quotient is a whole number, then 2 and 1,279,757.5 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 | 2,559,515 | |
| -1 | -2,559,515 |
Now, we try dividing 2,559,515 by 3:
2,559,515 ÷ 3 = 853,171.6667
If the quotient is a whole number, then 3 and 853,171.6667 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 | 2,559,515 | |
| -1 | -2,559,515 |
Let's try dividing by 4:
2,559,515 ÷ 4 = 639,878.75
If the quotient is a whole number, then 4 and 639,878.75 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 | 2,559,515 | |
| -1 | 2,559,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 31 | 35 | 49 | 155 | 217 | 245 | 337 | 1,085 | 1,519 | 1,685 | 2,359 | 7,595 | 10,447 | 11,795 | 16,513 | 52,235 | 73,129 | 82,565 | 365,645 | 511,903 | 2,559,515 |
| -1 | -5 | -7 | -31 | -35 | -49 | -155 | -217 | -245 | -337 | -1,085 | -1,519 | -1,685 | -2,359 | -7,595 | -10,447 | -11,795 | -16,513 | -52,235 | -73,129 | -82,565 | -365,645 | -511,903 | -2,559,515 |
Here are some more numbers to try:
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