A:
Positive:
1 x 303544455 x 607088911 x 275949529 x 104670555 x 551899145 x 209341319 x 951551595 x 19031
Negative:
-1 x -30354445-5 x -6070889-11 x -2759495-29 x -1046705-55 x -551899-145 x -209341-319 x -95155-1595 x -19031
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 30,354,445, 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 | 30,354,445 | |
| -1 | -30,354,445 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 30,354,445.
Example:
1 x 30,354,445 = 30,354,445
and
-1 x -30,354,445 = 30,354,445
Notice both answers equal 30,354,445
With that explanation out of the way, let's continue. Next, we take the number 30,354,445 and divide it by 2:
30,354,445 ÷ 2 = 15,177,222.5
If the quotient is a whole number, then 2 and 15,177,222.5 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 | 30,354,445 | |
| -1 | -30,354,445 |
Now, we try dividing 30,354,445 by 3:
30,354,445 ÷ 3 = 10,118,148.3333
If the quotient is a whole number, then 3 and 10,118,148.3333 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 | 30,354,445 | |
| -1 | -30,354,445 |
Let's try dividing by 4:
30,354,445 ÷ 4 = 7,588,611.25
If the quotient is a whole number, then 4 and 7,588,611.25 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 | 30,354,445 | |
| -1 | 30,354,445 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 29 | 55 | 145 | 319 | 1,595 | 19,031 | 95,155 | 209,341 | 551,899 | 1,046,705 | 2,759,495 | 6,070,889 | 30,354,445 |
| -1 | -5 | -11 | -29 | -55 | -145 | -319 | -1,595 | -19,031 | -95,155 | -209,341 | -551,899 | -1,046,705 | -2,759,495 | -6,070,889 | -30,354,445 |
Here are some more numbers to try:
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