A:
Positive:
1 x 2202520255 x 440504057 x 3146457523 x 957617525 x 881008135 x 6292915115 x 1915235161 x 1368025175 x 1258583575 x 383047805 x 2736054025 x 54721
Negative:
-1 x -220252025-5 x -44050405-7 x -31464575-23 x -9576175-25 x -8810081-35 x -6292915-115 x -1915235-161 x -1368025-175 x -1258583-575 x -383047-805 x -273605-4025 x -54721
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 220,252,025, 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 | 220,252,025 | |
| -1 | -220,252,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 220,252,025.
Example:
1 x 220,252,025 = 220,252,025
and
-1 x -220,252,025 = 220,252,025
Notice both answers equal 220,252,025
With that explanation out of the way, let's continue. Next, we take the number 220,252,025 and divide it by 2:
220,252,025 ÷ 2 = 110,126,012.5
If the quotient is a whole number, then 2 and 110,126,012.5 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 | 220,252,025 | |
| -1 | -220,252,025 |
Now, we try dividing 220,252,025 by 3:
220,252,025 ÷ 3 = 73,417,341.6667
If the quotient is a whole number, then 3 and 73,417,341.6667 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 | 220,252,025 | |
| -1 | -220,252,025 |
Let's try dividing by 4:
220,252,025 ÷ 4 = 55,063,006.25
If the quotient is a whole number, then 4 and 55,063,006.25 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 | 220,252,025 | |
| -1 | 220,252,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 23 | 25 | 35 | 115 | 161 | 175 | 575 | 805 | 4,025 | 54,721 | 273,605 | 383,047 | 1,258,583 | 1,368,025 | 1,915,235 | 6,292,915 | 8,810,081 | 9,576,175 | 31,464,575 | 44,050,405 | 220,252,025 |
| -1 | -5 | -7 | -23 | -25 | -35 | -115 | -161 | -175 | -575 | -805 | -4,025 | -54,721 | -273,605 | -383,047 | -1,258,583 | -1,368,025 | -1,915,235 | -6,292,915 | -8,810,081 | -9,576,175 | -31,464,575 | -44,050,405 | -220,252,025 |
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