A:
Positive:
1 x 122861755 x 245723511 x 111692525 x 49144743 x 28572555 x 223385215 x 57145275 x 44677473 x 259751039 x 118251075 x 114292365 x 5195
Negative:
-1 x -12286175-5 x -2457235-11 x -1116925-25 x -491447-43 x -285725-55 x -223385-215 x -57145-275 x -44677-473 x -25975-1039 x -11825-1075 x -11429-2365 x -5195
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 12,286,175, 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 | 12,286,175 | |
| -1 | -12,286,175 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,286,175.
Example:
1 x 12,286,175 = 12,286,175
and
-1 x -12,286,175 = 12,286,175
Notice both answers equal 12,286,175
With that explanation out of the way, let's continue. Next, we take the number 12,286,175 and divide it by 2:
12,286,175 ÷ 2 = 6,143,087.5
If the quotient is a whole number, then 2 and 6,143,087.5 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 | 12,286,175 | |
| -1 | -12,286,175 |
Now, we try dividing 12,286,175 by 3:
12,286,175 ÷ 3 = 4,095,391.6667
If the quotient is a whole number, then 3 and 4,095,391.6667 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 | 12,286,175 | |
| -1 | -12,286,175 |
Let's try dividing by 4:
12,286,175 ÷ 4 = 3,071,543.75
If the quotient is a whole number, then 4 and 3,071,543.75 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 | 12,286,175 | |
| -1 | 12,286,175 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 43 | 55 | 215 | 275 | 473 | 1,039 | 1,075 | 2,365 | 5,195 | 11,429 | 11,825 | 25,975 | 44,677 | 57,145 | 223,385 | 285,725 | 491,447 | 1,116,925 | 2,457,235 | 12,286,175 |
| -1 | -5 | -11 | -25 | -43 | -55 | -215 | -275 | -473 | -1,039 | -1,075 | -2,365 | -5,195 | -11,429 | -11,825 | -25,975 | -44,677 | -57,145 | -223,385 | -285,725 | -491,447 | -1,116,925 | -2,457,235 | -12,286,175 |
Here are some more numbers to try:
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