A:
Positive:
1 x 230432517 x 329189311 x 209484177 x 299263101 x 228151707 x 325931111 x 207412963 x 7777
Negative:
-1 x -23043251-7 x -3291893-11 x -2094841-77 x -299263-101 x -228151-707 x -32593-1111 x -20741-2963 x -7777
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 23,043,251, 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 | 23,043,251 | |
| -1 | -23,043,251 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,043,251.
Example:
1 x 23,043,251 = 23,043,251
and
-1 x -23,043,251 = 23,043,251
Notice both answers equal 23,043,251
With that explanation out of the way, let's continue. Next, we take the number 23,043,251 and divide it by 2:
23,043,251 ÷ 2 = 11,521,625.5
If the quotient is a whole number, then 2 and 11,521,625.5 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 | 23,043,251 | |
| -1 | -23,043,251 |
Now, we try dividing 23,043,251 by 3:
23,043,251 ÷ 3 = 7,681,083.6667
If the quotient is a whole number, then 3 and 7,681,083.6667 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 | 23,043,251 | |
| -1 | -23,043,251 |
Let's try dividing by 4:
23,043,251 ÷ 4 = 5,760,812.75
If the quotient is a whole number, then 4 and 5,760,812.75 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 | 23,043,251 | |
| -1 | 23,043,251 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 101 | 707 | 1,111 | 2,963 | 7,777 | 20,741 | 32,593 | 228,151 | 299,263 | 2,094,841 | 3,291,893 | 23,043,251 |
| -1 | -7 | -11 | -77 | -101 | -707 | -1,111 | -2,963 | -7,777 | -20,741 | -32,593 | -228,151 | -299,263 | -2,094,841 | -3,291,893 | -23,043,251 |
Here are some more numbers to try:
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