A:
Positive:
1 x 16306155141 x 397711183 x 19645973403 x 47917
Negative:
-1 x -163061551-41 x -3977111-83 x -1964597-3403 x -47917
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 163,061,551, 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 | 163,061,551 | |
| -1 | -163,061,551 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 163,061,551.
Example:
1 x 163,061,551 = 163,061,551
and
-1 x -163,061,551 = 163,061,551
Notice both answers equal 163,061,551
With that explanation out of the way, let's continue. Next, we take the number 163,061,551 and divide it by 2:
163,061,551 ÷ 2 = 81,530,775.5
If the quotient is a whole number, then 2 and 81,530,775.5 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 | 163,061,551 | |
| -1 | -163,061,551 |
Now, we try dividing 163,061,551 by 3:
163,061,551 ÷ 3 = 54,353,850.3333
If the quotient is a whole number, then 3 and 54,353,850.3333 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 | 163,061,551 | |
| -1 | -163,061,551 |
Let's try dividing by 4:
163,061,551 ÷ 4 = 40,765,387.75
If the quotient is a whole number, then 4 and 40,765,387.75 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 | 163,061,551 | |
| -1 | 163,061,551 |
If you did it right, you will end up with this table:
| 1 | 41 | 83 | 3,403 | 47,917 | 1,964,597 | 3,977,111 | 163,061,551 |
| -1 | -41 | -83 | -3,403 | -47,917 | -1,964,597 | -3,977,111 | -163,061,551 |
Here are some more numbers to try:
Try the factor calculator