A:
Positive:
1 x 2001301337 x 28590019103 x 1943011197 x 1015889721 x 2775731379 x 1451271409 x 1420379863 x 20291
Negative:
-1 x -200130133-7 x -28590019-103 x -1943011-197 x -1015889-721 x -277573-1379 x -145127-1409 x -142037-9863 x -20291
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 200,130,133, 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 | 200,130,133 | |
| -1 | -200,130,133 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 200,130,133.
Example:
1 x 200,130,133 = 200,130,133
and
-1 x -200,130,133 = 200,130,133
Notice both answers equal 200,130,133
With that explanation out of the way, let's continue. Next, we take the number 200,130,133 and divide it by 2:
200,130,133 ÷ 2 = 100,065,066.5
If the quotient is a whole number, then 2 and 100,065,066.5 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 | 200,130,133 | |
| -1 | -200,130,133 |
Now, we try dividing 200,130,133 by 3:
200,130,133 ÷ 3 = 66,710,044.3333
If the quotient is a whole number, then 3 and 66,710,044.3333 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 | 200,130,133 | |
| -1 | -200,130,133 |
Let's try dividing by 4:
200,130,133 ÷ 4 = 50,032,533.25
If the quotient is a whole number, then 4 and 50,032,533.25 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 | 200,130,133 | |
| -1 | 200,130,133 |
If you did it right, you will end up with this table:
| 1 | 7 | 103 | 197 | 721 | 1,379 | 1,409 | 9,863 | 20,291 | 142,037 | 145,127 | 277,573 | 1,015,889 | 1,943,011 | 28,590,019 | 200,130,133 |
| -1 | -7 | -103 | -197 | -721 | -1,379 | -1,409 | -9,863 | -20,291 | -142,037 | -145,127 | -277,573 | -1,015,889 | -1,943,011 | -28,590,019 | -200,130,133 |
Here are some more numbers to try:
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