A:
Positive:
1 x 993270255 x 198654057 x 1418957525 x 397308135 x 2837915175 x 567583557 x 1783251019 x 974752785 x 356653899 x 254755095 x 194957133 x 13925
Negative:
-1 x -99327025-5 x -19865405-7 x -14189575-25 x -3973081-35 x -2837915-175 x -567583-557 x -178325-1019 x -97475-2785 x -35665-3899 x -25475-5095 x -19495-7133 x -13925
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 99,327,025, 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 | 99,327,025 | |
| -1 | -99,327,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 99,327,025.
Example:
1 x 99,327,025 = 99,327,025
and
-1 x -99,327,025 = 99,327,025
Notice both answers equal 99,327,025
With that explanation out of the way, let's continue. Next, we take the number 99,327,025 and divide it by 2:
99,327,025 ÷ 2 = 49,663,512.5
If the quotient is a whole number, then 2 and 49,663,512.5 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 | 99,327,025 | |
| -1 | -99,327,025 |
Now, we try dividing 99,327,025 by 3:
99,327,025 ÷ 3 = 33,109,008.3333
If the quotient is a whole number, then 3 and 33,109,008.3333 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 | 99,327,025 | |
| -1 | -99,327,025 |
Let's try dividing by 4:
99,327,025 ÷ 4 = 24,831,756.25
If the quotient is a whole number, then 4 and 24,831,756.25 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 | 99,327,025 | |
| -1 | 99,327,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 175 | 557 | 1,019 | 2,785 | 3,899 | 5,095 | 7,133 | 13,925 | 19,495 | 25,475 | 35,665 | 97,475 | 178,325 | 567,583 | 2,837,915 | 3,973,081 | 14,189,575 | 19,865,405 | 99,327,025 |
| -1 | -5 | -7 | -25 | -35 | -175 | -557 | -1,019 | -2,785 | -3,899 | -5,095 | -7,133 | -13,925 | -19,495 | -25,475 | -35,665 | -97,475 | -178,325 | -567,583 | -2,837,915 | -3,973,081 | -14,189,575 | -19,865,405 | -99,327,025 |
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