A:
Positive:
1 x 1132211155 x 226442237 x 1617444535 x 323488949 x 2310635245 x 462127521 x 217315887 x 1276452605 x 434633647 x 310454435 x 255296209 x 18235
Negative:
-1 x -113221115-5 x -22644223-7 x -16174445-35 x -3234889-49 x -2310635-245 x -462127-521 x -217315-887 x -127645-2605 x -43463-3647 x -31045-4435 x -25529-6209 x -18235
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 113,221,115, 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 | 113,221,115 | |
| -1 | -113,221,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 113,221,115.
Example:
1 x 113,221,115 = 113,221,115
and
-1 x -113,221,115 = 113,221,115
Notice both answers equal 113,221,115
With that explanation out of the way, let's continue. Next, we take the number 113,221,115 and divide it by 2:
113,221,115 ÷ 2 = 56,610,557.5
If the quotient is a whole number, then 2 and 56,610,557.5 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 | 113,221,115 | |
| -1 | -113,221,115 |
Now, we try dividing 113,221,115 by 3:
113,221,115 ÷ 3 = 37,740,371.6667
If the quotient is a whole number, then 3 and 37,740,371.6667 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 | 113,221,115 | |
| -1 | -113,221,115 |
Let's try dividing by 4:
113,221,115 ÷ 4 = 28,305,278.75
If the quotient is a whole number, then 4 and 28,305,278.75 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 | 113,221,115 | |
| -1 | 113,221,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 245 | 521 | 887 | 2,605 | 3,647 | 4,435 | 6,209 | 18,235 | 25,529 | 31,045 | 43,463 | 127,645 | 217,315 | 462,127 | 2,310,635 | 3,234,889 | 16,174,445 | 22,644,223 | 113,221,115 |
| -1 | -5 | -7 | -35 | -49 | -245 | -521 | -887 | -2,605 | -3,647 | -4,435 | -6,209 | -18,235 | -25,529 | -31,045 | -43,463 | -127,645 | -217,315 | -462,127 | -2,310,635 | -3,234,889 | -16,174,445 | -22,644,223 | -113,221,115 |
Here are some more numbers to try:
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