A:
Positive:
1 x 20001321117 x 1176548341 x 487837173 x 2739907697 x 2869631241 x 1611712993 x 668273931 x 50881
Negative:
-1 x -200013211-17 x -11765483-41 x -4878371-73 x -2739907-697 x -286963-1241 x -161171-2993 x -66827-3931 x -50881
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 200,013,211, 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 | 200,013,211 | |
| -1 | -200,013,211 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 200,013,211.
Example:
1 x 200,013,211 = 200,013,211
and
-1 x -200,013,211 = 200,013,211
Notice both answers equal 200,013,211
With that explanation out of the way, let's continue. Next, we take the number 200,013,211 and divide it by 2:
200,013,211 ÷ 2 = 100,006,605.5
If the quotient is a whole number, then 2 and 100,006,605.5 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 | 200,013,211 | |
| -1 | -200,013,211 |
Now, we try dividing 200,013,211 by 3:
200,013,211 ÷ 3 = 66,671,070.3333
If the quotient is a whole number, then 3 and 66,671,070.3333 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 | 200,013,211 | |
| -1 | -200,013,211 |
Let's try dividing by 4:
200,013,211 ÷ 4 = 50,003,302.75
If the quotient is a whole number, then 4 and 50,003,302.75 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 | 200,013,211 | |
| -1 | 200,013,211 |
If you did it right, you will end up with this table:
| 1 | 17 | 41 | 73 | 697 | 1,241 | 2,993 | 3,931 | 50,881 | 66,827 | 161,171 | 286,963 | 2,739,907 | 4,878,371 | 11,765,483 | 200,013,211 |
| -1 | -17 | -41 | -73 | -697 | -1,241 | -2,993 | -3,931 | -50,881 | -66,827 | -161,171 | -286,963 | -2,739,907 | -4,878,371 | -11,765,483 | -200,013,211 |
Here are some more numbers to try:
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