A:
Positive:
1 x 1315426755 x 2630853511 x 1195842525 x 526170755 x 2391685211 x 623425275 x 4783371055 x 1246852267 x 580252321 x 566755275 x 2493711335 x 11605
Negative:
-1 x -131542675-5 x -26308535-11 x -11958425-25 x -5261707-55 x -2391685-211 x -623425-275 x -478337-1055 x -124685-2267 x -58025-2321 x -56675-5275 x -24937-11335 x -11605
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 131,542,675, 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 | 131,542,675 | |
| -1 | -131,542,675 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 131,542,675.
Example:
1 x 131,542,675 = 131,542,675
and
-1 x -131,542,675 = 131,542,675
Notice both answers equal 131,542,675
With that explanation out of the way, let's continue. Next, we take the number 131,542,675 and divide it by 2:
131,542,675 ÷ 2 = 65,771,337.5
If the quotient is a whole number, then 2 and 65,771,337.5 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 | 131,542,675 | |
| -1 | -131,542,675 |
Now, we try dividing 131,542,675 by 3:
131,542,675 ÷ 3 = 43,847,558.3333
If the quotient is a whole number, then 3 and 43,847,558.3333 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 | 131,542,675 | |
| -1 | -131,542,675 |
Let's try dividing by 4:
131,542,675 ÷ 4 = 32,885,668.75
If the quotient is a whole number, then 4 and 32,885,668.75 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 | 131,542,675 | |
| -1 | 131,542,675 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 55 | 211 | 275 | 1,055 | 2,267 | 2,321 | 5,275 | 11,335 | 11,605 | 24,937 | 56,675 | 58,025 | 124,685 | 478,337 | 623,425 | 2,391,685 | 5,261,707 | 11,958,425 | 26,308,535 | 131,542,675 |
| -1 | -5 | -11 | -25 | -55 | -211 | -275 | -1,055 | -2,267 | -2,321 | -5,275 | -11,335 | -11,605 | -24,937 | -56,675 | -58,025 | -124,685 | -478,337 | -623,425 | -2,391,685 | -5,261,707 | -11,958,425 | -26,308,535 | -131,542,675 |
Here are some more numbers to try:
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