A:
Positive:
1 x 260362713 x 20027919 x 13703383 x 31369127 x 20501247 x 105411079 x 24131577 x 1651
Negative:
-1 x -2603627-13 x -200279-19 x -137033-83 x -31369-127 x -20501-247 x -10541-1079 x -2413-1577 x -1651
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 2,603,627, 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 | 2,603,627 | |
| -1 | -2,603,627 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,603,627.
Example:
1 x 2,603,627 = 2,603,627
and
-1 x -2,603,627 = 2,603,627
Notice both answers equal 2,603,627
With that explanation out of the way, let's continue. Next, we take the number 2,603,627 and divide it by 2:
2,603,627 ÷ 2 = 1,301,813.5
If the quotient is a whole number, then 2 and 1,301,813.5 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 | 2,603,627 | |
| -1 | -2,603,627 |
Now, we try dividing 2,603,627 by 3:
2,603,627 ÷ 3 = 867,875.6667
If the quotient is a whole number, then 3 and 867,875.6667 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 | 2,603,627 | |
| -1 | -2,603,627 |
Let's try dividing by 4:
2,603,627 ÷ 4 = 650,906.75
If the quotient is a whole number, then 4 and 650,906.75 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 | 2,603,627 | |
| -1 | 2,603,627 |
If you did it right, you will end up with this table:
| 1 | 13 | 19 | 83 | 127 | 247 | 1,079 | 1,577 | 1,651 | 2,413 | 10,541 | 20,501 | 31,369 | 137,033 | 200,279 | 2,603,627 |
| -1 | -13 | -19 | -83 | -127 | -247 | -1,079 | -1,577 | -1,651 | -2,413 | -10,541 | -20,501 | -31,369 | -137,033 | -200,279 | -2,603,627 |
Here are some more numbers to try:
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