A:
Positive:
1 x 182073555 x 364147153 x 343535127 x 143365265 x 68707541 x 33655635 x 286732705 x 6731
Negative:
-1 x -18207355-5 x -3641471-53 x -343535-127 x -143365-265 x -68707-541 x -33655-635 x -28673-2705 x -6731
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 18,207,355, 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 | 18,207,355 | |
| -1 | -18,207,355 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,207,355.
Example:
1 x 18,207,355 = 18,207,355
and
-1 x -18,207,355 = 18,207,355
Notice both answers equal 18,207,355
With that explanation out of the way, let's continue. Next, we take the number 18,207,355 and divide it by 2:
18,207,355 ÷ 2 = 9,103,677.5
If the quotient is a whole number, then 2 and 9,103,677.5 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 | 18,207,355 | |
| -1 | -18,207,355 |
Now, we try dividing 18,207,355 by 3:
18,207,355 ÷ 3 = 6,069,118.3333
If the quotient is a whole number, then 3 and 6,069,118.3333 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 | 18,207,355 | |
| -1 | -18,207,355 |
Let's try dividing by 4:
18,207,355 ÷ 4 = 4,551,838.75
If the quotient is a whole number, then 4 and 4,551,838.75 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 | 18,207,355 | |
| -1 | 18,207,355 |
If you did it right, you will end up with this table:
| 1 | 5 | 53 | 127 | 265 | 541 | 635 | 2,705 | 6,731 | 28,673 | 33,655 | 68,707 | 143,365 | 343,535 | 3,641,471 | 18,207,355 |
| -1 | -5 | -53 | -127 | -265 | -541 | -635 | -2,705 | -6,731 | -28,673 | -33,655 | -68,707 | -143,365 | -343,535 | -3,641,471 | -18,207,355 |
Here are some more numbers to try:
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