A:
Positive:
1 x 231150055 x 462300179 x 292595139 x 166295395 x 58519421 x 54905695 x 332592105 x 10981
Negative:
-1 x -23115005-5 x -4623001-79 x -292595-139 x -166295-395 x -58519-421 x -54905-695 x -33259-2105 x -10981
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 23,115,005, 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 | 23,115,005 | |
| -1 | -23,115,005 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,115,005.
Example:
1 x 23,115,005 = 23,115,005
and
-1 x -23,115,005 = 23,115,005
Notice both answers equal 23,115,005
With that explanation out of the way, let's continue. Next, we take the number 23,115,005 and divide it by 2:
23,115,005 ÷ 2 = 11,557,502.5
If the quotient is a whole number, then 2 and 11,557,502.5 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 | 23,115,005 | |
| -1 | -23,115,005 |
Now, we try dividing 23,115,005 by 3:
23,115,005 ÷ 3 = 7,705,001.6667
If the quotient is a whole number, then 3 and 7,705,001.6667 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 | 23,115,005 | |
| -1 | -23,115,005 |
Let's try dividing by 4:
23,115,005 ÷ 4 = 5,778,751.25
If the quotient is a whole number, then 4 and 5,778,751.25 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 | 23,115,005 | |
| -1 | 23,115,005 |
If you did it right, you will end up with this table:
| 1 | 5 | 79 | 139 | 395 | 421 | 695 | 2,105 | 10,981 | 33,259 | 54,905 | 58,519 | 166,295 | 292,595 | 4,623,001 | 23,115,005 |
| -1 | -5 | -79 | -139 | -395 | -421 | -695 | -2,105 | -10,981 | -33,259 | -54,905 | -58,519 | -166,295 | -292,595 | -4,623,001 | -23,115,005 |
Here are some more numbers to try:
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