A:
Positive:
1 x 13166664129 x 454022931 x 4247311167 x 788423877 x 150133899 x 1464594843 x 271875177 x 25433
Negative:
-1 x -131666641-29 x -4540229-31 x -4247311-167 x -788423-877 x -150133-899 x -146459-4843 x -27187-5177 x -25433
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 131,666,641, 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 | 131,666,641 | |
| -1 | -131,666,641 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 131,666,641.
Example:
1 x 131,666,641 = 131,666,641
and
-1 x -131,666,641 = 131,666,641
Notice both answers equal 131,666,641
With that explanation out of the way, let's continue. Next, we take the number 131,666,641 and divide it by 2:
131,666,641 ÷ 2 = 65,833,320.5
If the quotient is a whole number, then 2 and 65,833,320.5 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 | 131,666,641 | |
| -1 | -131,666,641 |
Now, we try dividing 131,666,641 by 3:
131,666,641 ÷ 3 = 43,888,880.3333
If the quotient is a whole number, then 3 and 43,888,880.3333 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 | 131,666,641 | |
| -1 | -131,666,641 |
Let's try dividing by 4:
131,666,641 ÷ 4 = 32,916,660.25
If the quotient is a whole number, then 4 and 32,916,660.25 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 | 131,666,641 | |
| -1 | 131,666,641 |
If you did it right, you will end up with this table:
| 1 | 29 | 31 | 167 | 877 | 899 | 4,843 | 5,177 | 25,433 | 27,187 | 146,459 | 150,133 | 788,423 | 4,247,311 | 4,540,229 | 131,666,641 |
| -1 | -29 | -31 | -167 | -877 | -899 | -4,843 | -5,177 | -25,433 | -27,187 | -146,459 | -150,133 | -788,423 | -4,247,311 | -4,540,229 | -131,666,641 |
Here are some more numbers to try:
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