A:
Positive:
1 x 3312213255 x 6624426525 x 1324885329 x 1142142579 x 4192675145 x 2284285395 x 838535725 x 4568571975 x 1677072291 x 1445755783 x 5727511455 x 28915
Negative:
-1 x -331221325-5 x -66244265-25 x -13248853-29 x -11421425-79 x -4192675-145 x -2284285-395 x -838535-725 x -456857-1975 x -167707-2291 x -144575-5783 x -57275-11455 x -28915
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 331,221,325, 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 | 331,221,325 | |
| -1 | -331,221,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 331,221,325.
Example:
1 x 331,221,325 = 331,221,325
and
-1 x -331,221,325 = 331,221,325
Notice both answers equal 331,221,325
With that explanation out of the way, let's continue. Next, we take the number 331,221,325 and divide it by 2:
331,221,325 ÷ 2 = 165,610,662.5
If the quotient is a whole number, then 2 and 165,610,662.5 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 | 331,221,325 | |
| -1 | -331,221,325 |
Now, we try dividing 331,221,325 by 3:
331,221,325 ÷ 3 = 110,407,108.3333
If the quotient is a whole number, then 3 and 110,407,108.3333 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 | 331,221,325 | |
| -1 | -331,221,325 |
Let's try dividing by 4:
331,221,325 ÷ 4 = 82,805,331.25
If the quotient is a whole number, then 4 and 82,805,331.25 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 | 331,221,325 | |
| -1 | 331,221,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 29 | 79 | 145 | 395 | 725 | 1,975 | 2,291 | 5,783 | 11,455 | 28,915 | 57,275 | 144,575 | 167,707 | 456,857 | 838,535 | 2,284,285 | 4,192,675 | 11,421,425 | 13,248,853 | 66,244,265 | 331,221,325 |
| -1 | -5 | -25 | -29 | -79 | -145 | -395 | -725 | -1,975 | -2,291 | -5,783 | -11,455 | -28,915 | -57,275 | -144,575 | -167,707 | -456,857 | -838,535 | -2,284,285 | -4,192,675 | -11,421,425 | -13,248,853 | -66,244,265 | -331,221,325 |
Here are some more numbers to try:
Try the factor calculator