A:
Positive:
1 x 2013337555 x 402667517 x 2876196535 x 57523931601 x 1257553593 x 560358005 x 2515111207 x 17965
Negative:
-1 x -201333755-5 x -40266751-7 x -28761965-35 x -5752393-1601 x -125755-3593 x -56035-8005 x -25151-11207 x -17965
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 201,333,755, 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 | 201,333,755 | |
| -1 | -201,333,755 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 201,333,755.
Example:
1 x 201,333,755 = 201,333,755
and
-1 x -201,333,755 = 201,333,755
Notice both answers equal 201,333,755
With that explanation out of the way, let's continue. Next, we take the number 201,333,755 and divide it by 2:
201,333,755 ÷ 2 = 100,666,877.5
If the quotient is a whole number, then 2 and 100,666,877.5 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 | 201,333,755 | |
| -1 | -201,333,755 |
Now, we try dividing 201,333,755 by 3:
201,333,755 ÷ 3 = 67,111,251.6667
If the quotient is a whole number, then 3 and 67,111,251.6667 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 | 201,333,755 | |
| -1 | -201,333,755 |
Let's try dividing by 4:
201,333,755 ÷ 4 = 50,333,438.75
If the quotient is a whole number, then 4 and 50,333,438.75 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 | 201,333,755 | |
| -1 | 201,333,755 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 1,601 | 3,593 | 8,005 | 11,207 | 17,965 | 25,151 | 56,035 | 125,755 | 5,752,393 | 28,761,965 | 40,266,751 | 201,333,755 |
| -1 | -5 | -7 | -35 | -1,601 | -3,593 | -8,005 | -11,207 | -17,965 | -25,151 | -56,035 | -125,755 | -5,752,393 | -28,761,965 | -40,266,751 | -201,333,755 |
Here are some more numbers to try:
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