A:
Positive:
1 x 302880555 x 60576117 x 432686535 x 865373269 x 1125951345 x 225191883 x 160853217 x 9415
Negative:
-1 x -30288055-5 x -6057611-7 x -4326865-35 x -865373-269 x -112595-1345 x -22519-1883 x -16085-3217 x -9415
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 30,288,055, 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 | 30,288,055 | |
| -1 | -30,288,055 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 30,288,055.
Example:
1 x 30,288,055 = 30,288,055
and
-1 x -30,288,055 = 30,288,055
Notice both answers equal 30,288,055
With that explanation out of the way, let's continue. Next, we take the number 30,288,055 and divide it by 2:
30,288,055 ÷ 2 = 15,144,027.5
If the quotient is a whole number, then 2 and 15,144,027.5 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 | 30,288,055 | |
| -1 | -30,288,055 |
Now, we try dividing 30,288,055 by 3:
30,288,055 ÷ 3 = 10,096,018.3333
If the quotient is a whole number, then 3 and 10,096,018.3333 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 | 30,288,055 | |
| -1 | -30,288,055 |
Let's try dividing by 4:
30,288,055 ÷ 4 = 7,572,013.75
If the quotient is a whole number, then 4 and 7,572,013.75 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 | 30,288,055 | |
| -1 | 30,288,055 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 269 | 1,345 | 1,883 | 3,217 | 9,415 | 16,085 | 22,519 | 112,595 | 865,373 | 4,326,865 | 6,057,611 | 30,288,055 |
| -1 | -5 | -7 | -35 | -269 | -1,345 | -1,883 | -3,217 | -9,415 | -16,085 | -22,519 | -112,595 | -865,373 | -4,326,865 | -6,057,611 | -30,288,055 |
Here are some more numbers to try:
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