A:
Positive:
1 x 3221032155 x 644206437 x 4601474535 x 920294949 x 657353571 x 4536665245 x 1314707355 x 907333497 x 6480952485 x 1296193479 x 9258517395 x 18517
Negative:
-1 x -322103215-5 x -64420643-7 x -46014745-35 x -9202949-49 x -6573535-71 x -4536665-245 x -1314707-355 x -907333-497 x -648095-2485 x -129619-3479 x -92585-17395 x -18517
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 322,103,215, 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 | 322,103,215 | |
| -1 | -322,103,215 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 322,103,215.
Example:
1 x 322,103,215 = 322,103,215
and
-1 x -322,103,215 = 322,103,215
Notice both answers equal 322,103,215
With that explanation out of the way, let's continue. Next, we take the number 322,103,215 and divide it by 2:
322,103,215 ÷ 2 = 161,051,607.5
If the quotient is a whole number, then 2 and 161,051,607.5 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 | 322,103,215 | |
| -1 | -322,103,215 |
Now, we try dividing 322,103,215 by 3:
322,103,215 ÷ 3 = 107,367,738.3333
If the quotient is a whole number, then 3 and 107,367,738.3333 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 | 322,103,215 | |
| -1 | -322,103,215 |
Let's try dividing by 4:
322,103,215 ÷ 4 = 80,525,803.75
If the quotient is a whole number, then 4 and 80,525,803.75 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 | 322,103,215 | |
| -1 | 322,103,215 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 71 | 245 | 355 | 497 | 2,485 | 3,479 | 17,395 | 18,517 | 92,585 | 129,619 | 648,095 | 907,333 | 1,314,707 | 4,536,665 | 6,573,535 | 9,202,949 | 46,014,745 | 64,420,643 | 322,103,215 |
| -1 | -5 | -7 | -35 | -49 | -71 | -245 | -355 | -497 | -2,485 | -3,479 | -17,395 | -18,517 | -92,585 | -129,619 | -648,095 | -907,333 | -1,314,707 | -4,536,665 | -6,573,535 | -9,202,949 | -46,014,745 | -64,420,643 | -322,103,215 |
Here are some more numbers to try:
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