A:
Positive:
1 x 283009255 x 566018523 x 123047525 x 113203783 x 340975115 x 246095415 x 68195575 x 49219593 x 477251909 x 148252075 x 136392965 x 9545
Negative:
-1 x -28300925-5 x -5660185-23 x -1230475-25 x -1132037-83 x -340975-115 x -246095-415 x -68195-575 x -49219-593 x -47725-1909 x -14825-2075 x -13639-2965 x -9545
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 28,300,925, 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 | 28,300,925 | |
| -1 | -28,300,925 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 28,300,925.
Example:
1 x 28,300,925 = 28,300,925
and
-1 x -28,300,925 = 28,300,925
Notice both answers equal 28,300,925
With that explanation out of the way, let's continue. Next, we take the number 28,300,925 and divide it by 2:
28,300,925 ÷ 2 = 14,150,462.5
If the quotient is a whole number, then 2 and 14,150,462.5 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 | 28,300,925 | |
| -1 | -28,300,925 |
Now, we try dividing 28,300,925 by 3:
28,300,925 ÷ 3 = 9,433,641.6667
If the quotient is a whole number, then 3 and 9,433,641.6667 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 | 28,300,925 | |
| -1 | -28,300,925 |
Let's try dividing by 4:
28,300,925 ÷ 4 = 7,075,231.25
If the quotient is a whole number, then 4 and 7,075,231.25 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 | 28,300,925 | |
| -1 | 28,300,925 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 25 | 83 | 115 | 415 | 575 | 593 | 1,909 | 2,075 | 2,965 | 9,545 | 13,639 | 14,825 | 47,725 | 49,219 | 68,195 | 246,095 | 340,975 | 1,132,037 | 1,230,475 | 5,660,185 | 28,300,925 |
| -1 | -5 | -23 | -25 | -83 | -115 | -415 | -575 | -593 | -1,909 | -2,075 | -2,965 | -9,545 | -13,639 | -14,825 | -47,725 | -49,219 | -68,195 | -246,095 | -340,975 | -1,132,037 | -1,230,475 | -5,660,185 | -28,300,925 |
Here are some more numbers to try:
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