A:
Positive:
1 x 2201143217 x 3144490329 x 759014949 x 4492129191 x 1152431203 x 1084307811 x 2714111337 x 1646331421 x 1549015539 x 397395677 x 387739359 x 23519
Negative:
-1 x -220114321-7 x -31444903-29 x -7590149-49 x -4492129-191 x -1152431-203 x -1084307-811 x -271411-1337 x -164633-1421 x -154901-5539 x -39739-5677 x -38773-9359 x -23519
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 220,114,321, 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 | 220,114,321 | |
| -1 | -220,114,321 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 220,114,321.
Example:
1 x 220,114,321 = 220,114,321
and
-1 x -220,114,321 = 220,114,321
Notice both answers equal 220,114,321
With that explanation out of the way, let's continue. Next, we take the number 220,114,321 and divide it by 2:
220,114,321 ÷ 2 = 110,057,160.5
If the quotient is a whole number, then 2 and 110,057,160.5 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 | 220,114,321 | |
| -1 | -220,114,321 |
Now, we try dividing 220,114,321 by 3:
220,114,321 ÷ 3 = 73,371,440.3333
If the quotient is a whole number, then 3 and 73,371,440.3333 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 | 220,114,321 | |
| -1 | -220,114,321 |
Let's try dividing by 4:
220,114,321 ÷ 4 = 55,028,580.25
If the quotient is a whole number, then 4 and 55,028,580.25 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 | 220,114,321 | |
| -1 | 220,114,321 |
If you did it right, you will end up with this table:
| 1 | 7 | 29 | 49 | 191 | 203 | 811 | 1,337 | 1,421 | 5,539 | 5,677 | 9,359 | 23,519 | 38,773 | 39,739 | 154,901 | 164,633 | 271,411 | 1,084,307 | 1,152,431 | 4,492,129 | 7,590,149 | 31,444,903 | 220,114,321 |
| -1 | -7 | -29 | -49 | -191 | -203 | -811 | -1,337 | -1,421 | -5,539 | -5,677 | -9,359 | -23,519 | -38,773 | -39,739 | -154,901 | -164,633 | -271,411 | -1,084,307 | -1,152,431 | -4,492,129 | -7,590,149 | -31,444,903 | -220,114,321 |
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