A:
Positive:
1 x 1421703255 x 2843406511 x 1292457525 x 568681329 x 490242555 x 2584915145 x 980485275 x 516983319 x 445675725 x 1960971595 x 891357975 x 17827
Negative:
-1 x -142170325-5 x -28434065-11 x -12924575-25 x -5686813-29 x -4902425-55 x -2584915-145 x -980485-275 x -516983-319 x -445675-725 x -196097-1595 x -89135-7975 x -17827
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 142,170,325, 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 | 142,170,325 | |
| -1 | -142,170,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 142,170,325.
Example:
1 x 142,170,325 = 142,170,325
and
-1 x -142,170,325 = 142,170,325
Notice both answers equal 142,170,325
With that explanation out of the way, let's continue. Next, we take the number 142,170,325 and divide it by 2:
142,170,325 ÷ 2 = 71,085,162.5
If the quotient is a whole number, then 2 and 71,085,162.5 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 | 142,170,325 | |
| -1 | -142,170,325 |
Now, we try dividing 142,170,325 by 3:
142,170,325 ÷ 3 = 47,390,108.3333
If the quotient is a whole number, then 3 and 47,390,108.3333 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 | 142,170,325 | |
| -1 | -142,170,325 |
Let's try dividing by 4:
142,170,325 ÷ 4 = 35,542,581.25
If the quotient is a whole number, then 4 and 35,542,581.25 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 | 142,170,325 | |
| -1 | 142,170,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 29 | 55 | 145 | 275 | 319 | 725 | 1,595 | 7,975 | 17,827 | 89,135 | 196,097 | 445,675 | 516,983 | 980,485 | 2,584,915 | 4,902,425 | 5,686,813 | 12,924,575 | 28,434,065 | 142,170,325 |
| -1 | -5 | -11 | -25 | -29 | -55 | -145 | -275 | -319 | -725 | -1,595 | -7,975 | -17,827 | -89,135 | -196,097 | -445,675 | -516,983 | -980,485 | -2,584,915 | -4,902,425 | -5,686,813 | -12,924,575 | -28,434,065 | -142,170,325 |
Here are some more numbers to try:
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