A:
Positive:
1 x 231115437 x 330164913 x 177781119 x 121639791 x 253973133 x 173771247 x 935691729 x 13367
Negative:
-1 x -23111543-7 x -3301649-13 x -1777811-19 x -1216397-91 x -253973-133 x -173771-247 x -93569-1729 x -13367
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 23,111,543, 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 | 23,111,543 | |
| -1 | -23,111,543 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,111,543.
Example:
1 x 23,111,543 = 23,111,543
and
-1 x -23,111,543 = 23,111,543
Notice both answers equal 23,111,543
With that explanation out of the way, let's continue. Next, we take the number 23,111,543 and divide it by 2:
23,111,543 ÷ 2 = 11,555,771.5
If the quotient is a whole number, then 2 and 11,555,771.5 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 | 23,111,543 | |
| -1 | -23,111,543 |
Now, we try dividing 23,111,543 by 3:
23,111,543 ÷ 3 = 7,703,847.6667
If the quotient is a whole number, then 3 and 7,703,847.6667 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 | 23,111,543 | |
| -1 | -23,111,543 |
Let's try dividing by 4:
23,111,543 ÷ 4 = 5,777,885.75
If the quotient is a whole number, then 4 and 5,777,885.75 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 | 23,111,543 | |
| -1 | 23,111,543 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 19 | 91 | 133 | 247 | 1,729 | 13,367 | 93,569 | 173,771 | 253,973 | 1,216,397 | 1,777,811 | 3,301,649 | 23,111,543 |
| -1 | -7 | -13 | -19 | -91 | -133 | -247 | -1,729 | -13,367 | -93,569 | -173,771 | -253,973 | -1,216,397 | -1,777,811 | -3,301,649 | -23,111,543 |
Here are some more numbers to try:
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