A:
Positive:
1 x 1314220555 x 2628441129 x 4531795145 x 906359523 x 2512851733 x 758352615 x 502578665 x 15167
Negative:
-1 x -131422055-5 x -26284411-29 x -4531795-145 x -906359-523 x -251285-1733 x -75835-2615 x -50257-8665 x -15167
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 131,422,055, 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 | 131,422,055 | |
| -1 | -131,422,055 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 131,422,055.
Example:
1 x 131,422,055 = 131,422,055
and
-1 x -131,422,055 = 131,422,055
Notice both answers equal 131,422,055
With that explanation out of the way, let's continue. Next, we take the number 131,422,055 and divide it by 2:
131,422,055 ÷ 2 = 65,711,027.5
If the quotient is a whole number, then 2 and 65,711,027.5 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 | 131,422,055 | |
| -1 | -131,422,055 |
Now, we try dividing 131,422,055 by 3:
131,422,055 ÷ 3 = 43,807,351.6667
If the quotient is a whole number, then 3 and 43,807,351.6667 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 | 131,422,055 | |
| -1 | -131,422,055 |
Let's try dividing by 4:
131,422,055 ÷ 4 = 32,855,513.75
If the quotient is a whole number, then 4 and 32,855,513.75 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 | 131,422,055 | |
| -1 | 131,422,055 |
If you did it right, you will end up with this table:
| 1 | 5 | 29 | 145 | 523 | 1,733 | 2,615 | 8,665 | 15,167 | 50,257 | 75,835 | 251,285 | 906,359 | 4,531,795 | 26,284,411 | 131,422,055 |
| -1 | -5 | -29 | -145 | -523 | -1,733 | -2,615 | -8,665 | -15,167 | -50,257 | -75,835 | -251,285 | -906,359 | -4,531,795 | -26,284,411 | -131,422,055 |
Here are some more numbers to try:
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