A:
Positive:
1 x 2050162255 x 4100324525 x 820064929 x 706952583 x 2470075145 x 1413905415 x 494015725 x 2827812075 x 988032407 x 851753407 x 6017512035 x 17035
Negative:
-1 x -205016225-5 x -41003245-25 x -8200649-29 x -7069525-83 x -2470075-145 x -1413905-415 x -494015-725 x -282781-2075 x -98803-2407 x -85175-3407 x -60175-12035 x -17035
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 205,016,225, 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 | 205,016,225 | |
| -1 | -205,016,225 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 205,016,225.
Example:
1 x 205,016,225 = 205,016,225
and
-1 x -205,016,225 = 205,016,225
Notice both answers equal 205,016,225
With that explanation out of the way, let's continue. Next, we take the number 205,016,225 and divide it by 2:
205,016,225 ÷ 2 = 102,508,112.5
If the quotient is a whole number, then 2 and 102,508,112.5 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 | 205,016,225 | |
| -1 | -205,016,225 |
Now, we try dividing 205,016,225 by 3:
205,016,225 ÷ 3 = 68,338,741.6667
If the quotient is a whole number, then 3 and 68,338,741.6667 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 | 205,016,225 | |
| -1 | -205,016,225 |
Let's try dividing by 4:
205,016,225 ÷ 4 = 51,254,056.25
If the quotient is a whole number, then 4 and 51,254,056.25 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 | 205,016,225 | |
| -1 | 205,016,225 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 29 | 83 | 145 | 415 | 725 | 2,075 | 2,407 | 3,407 | 12,035 | 17,035 | 60,175 | 85,175 | 98,803 | 282,781 | 494,015 | 1,413,905 | 2,470,075 | 7,069,525 | 8,200,649 | 41,003,245 | 205,016,225 |
| -1 | -5 | -25 | -29 | -83 | -145 | -415 | -725 | -2,075 | -2,407 | -3,407 | -12,035 | -17,035 | -60,175 | -85,175 | -98,803 | -282,781 | -494,015 | -1,413,905 | -2,470,075 | -7,069,525 | -8,200,649 | -41,003,245 | -205,016,225 |
Here are some more numbers to try:
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