A:
Positive:
1 x 1633415637 x 2333450911 x 1484923343 x 379864177 x 2121319301 x 542663473 x 3453313311 x 49333
Negative:
-1 x -163341563-7 x -23334509-11 x -14849233-43 x -3798641-77 x -2121319-301 x -542663-473 x -345331-3311 x -49333
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 163,341,563, 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 | 163,341,563 | |
| -1 | -163,341,563 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 163,341,563.
Example:
1 x 163,341,563 = 163,341,563
and
-1 x -163,341,563 = 163,341,563
Notice both answers equal 163,341,563
With that explanation out of the way, let's continue. Next, we take the number 163,341,563 and divide it by 2:
163,341,563 ÷ 2 = 81,670,781.5
If the quotient is a whole number, then 2 and 81,670,781.5 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 | 163,341,563 | |
| -1 | -163,341,563 |
Now, we try dividing 163,341,563 by 3:
163,341,563 ÷ 3 = 54,447,187.6667
If the quotient is a whole number, then 3 and 54,447,187.6667 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 | 163,341,563 | |
| -1 | -163,341,563 |
Let's try dividing by 4:
163,341,563 ÷ 4 = 40,835,390.75
If the quotient is a whole number, then 4 and 40,835,390.75 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 | 163,341,563 | |
| -1 | 163,341,563 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 43 | 77 | 301 | 473 | 3,311 | 49,333 | 345,331 | 542,663 | 2,121,319 | 3,798,641 | 14,849,233 | 23,334,509 | 163,341,563 |
| -1 | -7 | -11 | -43 | -77 | -301 | -473 | -3,311 | -49,333 | -345,331 | -542,663 | -2,121,319 | -3,798,641 | -14,849,233 | -23,334,509 | -163,341,563 |
Here are some more numbers to try:
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