A:
Positive:
1 x 1623662155 x 3247324311 x 1476056529 x 559883555 x 2952113145 x 1119767319 x 5089851595 x 101797
Negative:
-1 x -162366215-5 x -32473243-11 x -14760565-29 x -5598835-55 x -2952113-145 x -1119767-319 x -508985-1595 x -101797
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 162,366,215, 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 | 162,366,215 | |
| -1 | -162,366,215 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 162,366,215.
Example:
1 x 162,366,215 = 162,366,215
and
-1 x -162,366,215 = 162,366,215
Notice both answers equal 162,366,215
With that explanation out of the way, let's continue. Next, we take the number 162,366,215 and divide it by 2:
162,366,215 ÷ 2 = 81,183,107.5
If the quotient is a whole number, then 2 and 81,183,107.5 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 | 162,366,215 | |
| -1 | -162,366,215 |
Now, we try dividing 162,366,215 by 3:
162,366,215 ÷ 3 = 54,122,071.6667
If the quotient is a whole number, then 3 and 54,122,071.6667 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 | 162,366,215 | |
| -1 | -162,366,215 |
Let's try dividing by 4:
162,366,215 ÷ 4 = 40,591,553.75
If the quotient is a whole number, then 4 and 40,591,553.75 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 | 162,366,215 | |
| -1 | 162,366,215 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 29 | 55 | 145 | 319 | 1,595 | 101,797 | 508,985 | 1,119,767 | 2,952,113 | 5,598,835 | 14,760,565 | 32,473,243 | 162,366,215 |
| -1 | -5 | -11 | -29 | -55 | -145 | -319 | -1,595 | -101,797 | -508,985 | -1,119,767 | -2,952,113 | -5,598,835 | -14,760,565 | -32,473,243 | -162,366,215 |
Here are some more numbers to try:
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