A:
Positive:
1 x 2000551255 x 4001102525 x 800220553 x 3774625125 x 1600441265 x 7549251325 x 1509856625 x 30197
Negative:
-1 x -200055125-5 x -40011025-25 x -8002205-53 x -3774625-125 x -1600441-265 x -754925-1325 x -150985-6625 x -30197
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 200,055,125, 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 | 200,055,125 | |
| -1 | -200,055,125 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 200,055,125.
Example:
1 x 200,055,125 = 200,055,125
and
-1 x -200,055,125 = 200,055,125
Notice both answers equal 200,055,125
With that explanation out of the way, let's continue. Next, we take the number 200,055,125 and divide it by 2:
200,055,125 ÷ 2 = 100,027,562.5
If the quotient is a whole number, then 2 and 100,027,562.5 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 | 200,055,125 | |
| -1 | -200,055,125 |
Now, we try dividing 200,055,125 by 3:
200,055,125 ÷ 3 = 66,685,041.6667
If the quotient is a whole number, then 3 and 66,685,041.6667 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 | 200,055,125 | |
| -1 | -200,055,125 |
Let's try dividing by 4:
200,055,125 ÷ 4 = 50,013,781.25
If the quotient is a whole number, then 4 and 50,013,781.25 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 | 200,055,125 | |
| -1 | 200,055,125 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 53 | 125 | 265 | 1,325 | 6,625 | 30,197 | 150,985 | 754,925 | 1,600,441 | 3,774,625 | 8,002,205 | 40,011,025 | 200,055,125 |
| -1 | -5 | -25 | -53 | -125 | -265 | -1,325 | -6,625 | -30,197 | -150,985 | -754,925 | -1,600,441 | -3,774,625 | -8,002,205 | -40,011,025 | -200,055,125 |
Here are some more numbers to try:
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