A:
Positive:
1 x 2020770555 x 40415411137 x 1475015157 x 1287115685 x 295003785 x 2574231879 x 1075459395 x 21509
Negative:
-1 x -202077055-5 x -40415411-137 x -1475015-157 x -1287115-685 x -295003-785 x -257423-1879 x -107545-9395 x -21509
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 202,077,055, 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 | 202,077,055 | |
| -1 | -202,077,055 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 202,077,055.
Example:
1 x 202,077,055 = 202,077,055
and
-1 x -202,077,055 = 202,077,055
Notice both answers equal 202,077,055
With that explanation out of the way, let's continue. Next, we take the number 202,077,055 and divide it by 2:
202,077,055 ÷ 2 = 101,038,527.5
If the quotient is a whole number, then 2 and 101,038,527.5 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 | 202,077,055 | |
| -1 | -202,077,055 |
Now, we try dividing 202,077,055 by 3:
202,077,055 ÷ 3 = 67,359,018.3333
If the quotient is a whole number, then 3 and 67,359,018.3333 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 | 202,077,055 | |
| -1 | -202,077,055 |
Let's try dividing by 4:
202,077,055 ÷ 4 = 50,519,263.75
If the quotient is a whole number, then 4 and 50,519,263.75 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 | 202,077,055 | |
| -1 | 202,077,055 |
If you did it right, you will end up with this table:
| 1 | 5 | 137 | 157 | 685 | 785 | 1,879 | 9,395 | 21,509 | 107,545 | 257,423 | 295,003 | 1,287,115 | 1,475,015 | 40,415,411 | 202,077,055 |
| -1 | -5 | -137 | -157 | -685 | -785 | -1,879 | -9,395 | -21,509 | -107,545 | -257,423 | -295,003 | -1,287,115 | -1,475,015 | -40,415,411 | -202,077,055 |
Here are some more numbers to try:
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