A:
Positive:
1 x 1626061255 x 3252122511 x 1478237525 x 650424555 x 2956475125 x 1300849275 x 5912951375 x 118259
Negative:
-1 x -162606125-5 x -32521225-11 x -14782375-25 x -6504245-55 x -2956475-125 x -1300849-275 x -591295-1375 x -118259
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 162,606,125, 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 | 162,606,125 | |
| -1 | -162,606,125 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 162,606,125.
Example:
1 x 162,606,125 = 162,606,125
and
-1 x -162,606,125 = 162,606,125
Notice both answers equal 162,606,125
With that explanation out of the way, let's continue. Next, we take the number 162,606,125 and divide it by 2:
162,606,125 ÷ 2 = 81,303,062.5
If the quotient is a whole number, then 2 and 81,303,062.5 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 | 162,606,125 | |
| -1 | -162,606,125 |
Now, we try dividing 162,606,125 by 3:
162,606,125 ÷ 3 = 54,202,041.6667
If the quotient is a whole number, then 3 and 54,202,041.6667 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 | 162,606,125 | |
| -1 | -162,606,125 |
Let's try dividing by 4:
162,606,125 ÷ 4 = 40,651,531.25
If the quotient is a whole number, then 4 and 40,651,531.25 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 | 162,606,125 | |
| -1 | 162,606,125 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 55 | 125 | 275 | 1,375 | 118,259 | 591,295 | 1,300,849 | 2,956,475 | 6,504,245 | 14,782,375 | 32,521,225 | 162,606,125 |
| -1 | -5 | -11 | -25 | -55 | -125 | -275 | -1,375 | -118,259 | -591,295 | -1,300,849 | -2,956,475 | -6,504,245 | -14,782,375 | -32,521,225 | -162,606,125 |
Here are some more numbers to try:
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