A:
Positive:
1 x 1633622155 x 3267244323 x 710270537 x 4415195115 x 1420541185 x 883039851 x 1919654255 x 38393
Negative:
-1 x -163362215-5 x -32672443-23 x -7102705-37 x -4415195-115 x -1420541-185 x -883039-851 x -191965-4255 x -38393
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 163,362,215, 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 | 163,362,215 | |
| -1 | -163,362,215 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 163,362,215.
Example:
1 x 163,362,215 = 163,362,215
and
-1 x -163,362,215 = 163,362,215
Notice both answers equal 163,362,215
With that explanation out of the way, let's continue. Next, we take the number 163,362,215 and divide it by 2:
163,362,215 ÷ 2 = 81,681,107.5
If the quotient is a whole number, then 2 and 81,681,107.5 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 | 163,362,215 | |
| -1 | -163,362,215 |
Now, we try dividing 163,362,215 by 3:
163,362,215 ÷ 3 = 54,454,071.6667
If the quotient is a whole number, then 3 and 54,454,071.6667 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 | 163,362,215 | |
| -1 | -163,362,215 |
Let's try dividing by 4:
163,362,215 ÷ 4 = 40,840,553.75
If the quotient is a whole number, then 4 and 40,840,553.75 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 | 163,362,215 | |
| -1 | 163,362,215 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 37 | 115 | 185 | 851 | 4,255 | 38,393 | 191,965 | 883,039 | 1,420,541 | 4,415,195 | 7,102,705 | 32,672,443 | 163,362,215 |
| -1 | -5 | -23 | -37 | -115 | -185 | -851 | -4,255 | -38,393 | -191,965 | -883,039 | -1,420,541 | -4,415,195 | -7,102,705 | -32,672,443 | -163,362,215 |
Here are some more numbers to try:
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