A:
Positive:
1 x 1414030317 x 2020043311 x 1285482167 x 211049377 x 1836403469 x 301499737 x 1918635159 x 27409
Negative:
-1 x -141403031-7 x -20200433-11 x -12854821-67 x -2110493-77 x -1836403-469 x -301499-737 x -191863-5159 x -27409
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 141,403,031, 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 | 141,403,031 | |
| -1 | -141,403,031 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 141,403,031.
Example:
1 x 141,403,031 = 141,403,031
and
-1 x -141,403,031 = 141,403,031
Notice both answers equal 141,403,031
With that explanation out of the way, let's continue. Next, we take the number 141,403,031 and divide it by 2:
141,403,031 ÷ 2 = 70,701,515.5
If the quotient is a whole number, then 2 and 70,701,515.5 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 | 141,403,031 | |
| -1 | -141,403,031 |
Now, we try dividing 141,403,031 by 3:
141,403,031 ÷ 3 = 47,134,343.6667
If the quotient is a whole number, then 3 and 47,134,343.6667 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 | 141,403,031 | |
| -1 | -141,403,031 |
Let's try dividing by 4:
141,403,031 ÷ 4 = 35,350,757.75
If the quotient is a whole number, then 4 and 35,350,757.75 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 | 141,403,031 | |
| -1 | 141,403,031 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 67 | 77 | 469 | 737 | 5,159 | 27,409 | 191,863 | 301,499 | 1,836,403 | 2,110,493 | 12,854,821 | 20,200,433 | 141,403,031 |
| -1 | -7 | -11 | -67 | -77 | -469 | -737 | -5,159 | -27,409 | -191,863 | -301,499 | -1,836,403 | -2,110,493 | -12,854,821 | -20,200,433 | -141,403,031 |
Here are some more numbers to try:
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