A:
Positive:
1 x 300835017 x 429764349 x 613949229 x 131369343 x 87707383 x 785471603 x 187672681 x 11221
Negative:
-1 x -30083501-7 x -4297643-49 x -613949-229 x -131369-343 x -87707-383 x -78547-1603 x -18767-2681 x -11221
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 30,083,501, 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 | 30,083,501 | |
| -1 | -30,083,501 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 30,083,501.
Example:
1 x 30,083,501 = 30,083,501
and
-1 x -30,083,501 = 30,083,501
Notice both answers equal 30,083,501
With that explanation out of the way, let's continue. Next, we take the number 30,083,501 and divide it by 2:
30,083,501 ÷ 2 = 15,041,750.5
If the quotient is a whole number, then 2 and 15,041,750.5 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 | 30,083,501 | |
| -1 | -30,083,501 |
Now, we try dividing 30,083,501 by 3:
30,083,501 ÷ 3 = 10,027,833.6667
If the quotient is a whole number, then 3 and 10,027,833.6667 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 | 30,083,501 | |
| -1 | -30,083,501 |
Let's try dividing by 4:
30,083,501 ÷ 4 = 7,520,875.25
If the quotient is a whole number, then 4 and 7,520,875.25 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 | 30,083,501 | |
| -1 | 30,083,501 |
If you did it right, you will end up with this table:
| 1 | 7 | 49 | 229 | 343 | 383 | 1,603 | 2,681 | 11,221 | 18,767 | 78,547 | 87,707 | 131,369 | 613,949 | 4,297,643 | 30,083,501 |
| -1 | -7 | -49 | -229 | -343 | -383 | -1,603 | -2,681 | -11,221 | -18,767 | -78,547 | -87,707 | -131,369 | -613,949 | -4,297,643 | -30,083,501 |
Here are some more numbers to try:
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