A:
Positive:
1 x 1220860311 x 110987343 x 28392153 x 230351473 x 25811487 x 25069583 x 209412279 x 5357
Negative:
-1 x -12208603-11 x -1109873-43 x -283921-53 x -230351-473 x -25811-487 x -25069-583 x -20941-2279 x -5357
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 12,208,603, 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 | 12,208,603 | |
| -1 | -12,208,603 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,208,603.
Example:
1 x 12,208,603 = 12,208,603
and
-1 x -12,208,603 = 12,208,603
Notice both answers equal 12,208,603
With that explanation out of the way, let's continue. Next, we take the number 12,208,603 and divide it by 2:
12,208,603 ÷ 2 = 6,104,301.5
If the quotient is a whole number, then 2 and 6,104,301.5 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 | 12,208,603 | |
| -1 | -12,208,603 |
Now, we try dividing 12,208,603 by 3:
12,208,603 ÷ 3 = 4,069,534.3333
If the quotient is a whole number, then 3 and 4,069,534.3333 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 | 12,208,603 | |
| -1 | -12,208,603 |
Let's try dividing by 4:
12,208,603 ÷ 4 = 3,052,150.75
If the quotient is a whole number, then 4 and 3,052,150.75 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 | 12,208,603 | |
| -1 | 12,208,603 |
If you did it right, you will end up with this table:
| 1 | 11 | 43 | 53 | 473 | 487 | 583 | 2,279 | 5,357 | 20,941 | 25,069 | 25,811 | 230,351 | 283,921 | 1,109,873 | 12,208,603 |
| -1 | -11 | -43 | -53 | -473 | -487 | -583 | -2,279 | -5,357 | -20,941 | -25,069 | -25,811 | -230,351 | -283,921 | -1,109,873 | -12,208,603 |
Here are some more numbers to try:
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