A:
Positive:
1 x 2533224055 x 506644817 x 3618891535 x 723778349 x 5169845245 x 1033969431 x 5877552155 x 1175512399 x 1055953017 x 8396511995 x 2111915085 x 16793
Negative:
-1 x -253322405-5 x -50664481-7 x -36188915-35 x -7237783-49 x -5169845-245 x -1033969-431 x -587755-2155 x -117551-2399 x -105595-3017 x -83965-11995 x -21119-15085 x -16793
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 253,322,405, 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 | 253,322,405 | |
| -1 | -253,322,405 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 253,322,405.
Example:
1 x 253,322,405 = 253,322,405
and
-1 x -253,322,405 = 253,322,405
Notice both answers equal 253,322,405
With that explanation out of the way, let's continue. Next, we take the number 253,322,405 and divide it by 2:
253,322,405 ÷ 2 = 126,661,202.5
If the quotient is a whole number, then 2 and 126,661,202.5 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 | 253,322,405 | |
| -1 | -253,322,405 |
Now, we try dividing 253,322,405 by 3:
253,322,405 ÷ 3 = 84,440,801.6667
If the quotient is a whole number, then 3 and 84,440,801.6667 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 | 253,322,405 | |
| -1 | -253,322,405 |
Let's try dividing by 4:
253,322,405 ÷ 4 = 63,330,601.25
If the quotient is a whole number, then 4 and 63,330,601.25 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 | 253,322,405 | |
| -1 | 253,322,405 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 245 | 431 | 2,155 | 2,399 | 3,017 | 11,995 | 15,085 | 16,793 | 21,119 | 83,965 | 105,595 | 117,551 | 587,755 | 1,033,969 | 5,169,845 | 7,237,783 | 36,188,915 | 50,664,481 | 253,322,405 |
| -1 | -5 | -7 | -35 | -49 | -245 | -431 | -2,155 | -2,399 | -3,017 | -11,995 | -15,085 | -16,793 | -21,119 | -83,965 | -105,595 | -117,551 | -587,755 | -1,033,969 | -5,169,845 | -7,237,783 | -36,188,915 | -50,664,481 | -253,322,405 |
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