A:
Positive:
1 x 3221242155 x 644248437 x 4601774535 x 9203549241 x 13366151205 x 2673231687 x 1909458435 x 38189
Negative:
-1 x -322124215-5 x -64424843-7 x -46017745-35 x -9203549-241 x -1336615-1205 x -267323-1687 x -190945-8435 x -38189
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 322,124,215, 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 | 322,124,215 | |
| -1 | -322,124,215 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 322,124,215.
Example:
1 x 322,124,215 = 322,124,215
and
-1 x -322,124,215 = 322,124,215
Notice both answers equal 322,124,215
With that explanation out of the way, let's continue. Next, we take the number 322,124,215 and divide it by 2:
322,124,215 ÷ 2 = 161,062,107.5
If the quotient is a whole number, then 2 and 161,062,107.5 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 | 322,124,215 | |
| -1 | -322,124,215 |
Now, we try dividing 322,124,215 by 3:
322,124,215 ÷ 3 = 107,374,738.3333
If the quotient is a whole number, then 3 and 107,374,738.3333 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 | 322,124,215 | |
| -1 | -322,124,215 |
Let's try dividing by 4:
322,124,215 ÷ 4 = 80,531,053.75
If the quotient is a whole number, then 4 and 80,531,053.75 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 | 322,124,215 | |
| -1 | 322,124,215 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 241 | 1,205 | 1,687 | 8,435 | 38,189 | 190,945 | 267,323 | 1,336,615 | 9,203,549 | 46,017,745 | 64,424,843 | 322,124,215 |
| -1 | -5 | -7 | -35 | -241 | -1,205 | -1,687 | -8,435 | -38,189 | -190,945 | -267,323 | -1,336,615 | -9,203,549 | -46,017,745 | -64,424,843 | -322,124,215 |
Here are some more numbers to try:
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