A:
Positive:
1 x 2343001713 x 180230931 x 75580747 x 498511403 x 58139611 x 383471237 x 189411457 x 16081
Negative:
-1 x -23430017-13 x -1802309-31 x -755807-47 x -498511-403 x -58139-611 x -38347-1237 x -18941-1457 x -16081
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 23,430,017, 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 | 23,430,017 | |
| -1 | -23,430,017 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,430,017.
Example:
1 x 23,430,017 = 23,430,017
and
-1 x -23,430,017 = 23,430,017
Notice both answers equal 23,430,017
With that explanation out of the way, let's continue. Next, we take the number 23,430,017 and divide it by 2:
23,430,017 ÷ 2 = 11,715,008.5
If the quotient is a whole number, then 2 and 11,715,008.5 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 | 23,430,017 | |
| -1 | -23,430,017 |
Now, we try dividing 23,430,017 by 3:
23,430,017 ÷ 3 = 7,810,005.6667
If the quotient is a whole number, then 3 and 7,810,005.6667 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 | 23,430,017 | |
| -1 | -23,430,017 |
Let's try dividing by 4:
23,430,017 ÷ 4 = 5,857,504.25
If the quotient is a whole number, then 4 and 5,857,504.25 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 | 23,430,017 | |
| -1 | 23,430,017 |
If you did it right, you will end up with this table:
| 1 | 13 | 31 | 47 | 403 | 611 | 1,237 | 1,457 | 16,081 | 18,941 | 38,347 | 58,139 | 498,511 | 755,807 | 1,802,309 | 23,430,017 |
| -1 | -13 | -31 | -47 | -403 | -611 | -1,237 | -1,457 | -16,081 | -18,941 | -38,347 | -58,139 | -498,511 | -755,807 | -1,802,309 | -23,430,017 |
Here are some more numbers to try:
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