A:
Positive:
1 x 1643623255 x 3287246525 x 657449337 x 4442225137 x 1199725185 x 888445685 x 239945925 x 1776891297 x 1267253425 x 479895069 x 324256485 x 25345
Negative:
-1 x -164362325-5 x -32872465-25 x -6574493-37 x -4442225-137 x -1199725-185 x -888445-685 x -239945-925 x -177689-1297 x -126725-3425 x -47989-5069 x -32425-6485 x -25345
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 164,362,325, 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 | 164,362,325 | |
| -1 | -164,362,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 164,362,325.
Example:
1 x 164,362,325 = 164,362,325
and
-1 x -164,362,325 = 164,362,325
Notice both answers equal 164,362,325
With that explanation out of the way, let's continue. Next, we take the number 164,362,325 and divide it by 2:
164,362,325 ÷ 2 = 82,181,162.5
If the quotient is a whole number, then 2 and 82,181,162.5 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 | 164,362,325 | |
| -1 | -164,362,325 |
Now, we try dividing 164,362,325 by 3:
164,362,325 ÷ 3 = 54,787,441.6667
If the quotient is a whole number, then 3 and 54,787,441.6667 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 | 164,362,325 | |
| -1 | -164,362,325 |
Let's try dividing by 4:
164,362,325 ÷ 4 = 41,090,581.25
If the quotient is a whole number, then 4 and 41,090,581.25 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 | 164,362,325 | |
| -1 | 164,362,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 37 | 137 | 185 | 685 | 925 | 1,297 | 3,425 | 5,069 | 6,485 | 25,345 | 32,425 | 47,989 | 126,725 | 177,689 | 239,945 | 888,445 | 1,199,725 | 4,442,225 | 6,574,493 | 32,872,465 | 164,362,325 |
| -1 | -5 | -25 | -37 | -137 | -185 | -685 | -925 | -1,297 | -3,425 | -5,069 | -6,485 | -25,345 | -32,425 | -47,989 | -126,725 | -177,689 | -239,945 | -888,445 | -1,199,725 | -4,442,225 | -6,574,493 | -32,872,465 | -164,362,325 |
Here are some more numbers to try:
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