A:
Positive:
1 x 11231999911 x 1021090943 x 261209383 x 1353253473 x 237463913 x 1230232861 x 392593569 x 31471
Negative:
-1 x -112319999-11 x -10210909-43 x -2612093-83 x -1353253-473 x -237463-913 x -123023-2861 x -39259-3569 x -31471
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 112,319,999, 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 | 112,319,999 | |
| -1 | -112,319,999 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 112,319,999.
Example:
1 x 112,319,999 = 112,319,999
and
-1 x -112,319,999 = 112,319,999
Notice both answers equal 112,319,999
With that explanation out of the way, let's continue. Next, we take the number 112,319,999 and divide it by 2:
112,319,999 ÷ 2 = 56,159,999.5
If the quotient is a whole number, then 2 and 56,159,999.5 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 | 112,319,999 | |
| -1 | -112,319,999 |
Now, we try dividing 112,319,999 by 3:
112,319,999 ÷ 3 = 37,439,999.6667
If the quotient is a whole number, then 3 and 37,439,999.6667 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 | 112,319,999 | |
| -1 | -112,319,999 |
Let's try dividing by 4:
112,319,999 ÷ 4 = 28,079,999.75
If the quotient is a whole number, then 4 and 28,079,999.75 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 | 112,319,999 | |
| -1 | 112,319,999 |
If you did it right, you will end up with this table:
| 1 | 11 | 43 | 83 | 473 | 913 | 2,861 | 3,569 | 31,471 | 39,259 | 123,023 | 237,463 | 1,353,253 | 2,612,093 | 10,210,909 | 112,319,999 |
| -1 | -11 | -43 | -83 | -473 | -913 | -2,861 | -3,569 | -31,471 | -39,259 | -123,023 | -237,463 | -1,353,253 | -2,612,093 | -10,210,909 | -112,319,999 |
Here are some more numbers to try:
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